Nights

20th March 2025 By Simon

A post about words for night, evening and related things in Celtic languages, and related words in other languages.

Words marked with a * are reconstructions.

Old Irish (Goídelc)	adaig [ˈaðəɣʲ] = night
Middle Irish (Gaoidhealg)	adaig, aidche, oidche, adhaigh = night
Irish (Gaeilge)	oíche [ˈiːhɪ/ˈĩːçə/ˈɪhə] = night, period of darkness, night-time, nightfall, eve anoíche = late hour of night meánoíche = midnight oíchí = nocturnal, nightly Oíche Shamhna = Halloween Oíche Nollag = Christmas Eve oíche chinn bliana = New Year’s eve
Scottish Gaelic (Gàidhlig)	oidhche [ɤ̃ĩçə] = night oidhcheach [ɤ̃ĩçəx] = nightly, nocturnal oidhcheil [ɤ̃ĩçal] = nightly Oidhche Shamhna = Halloween Oidhche Nollaige = Christmas Eve oidhche Challainn [ɤ̃çəˈxal̪ɪn̪ʲ] = New Year’s eve adhaigh†, adhuigh† = night
Manx (Gaelg)	oie [ɛi/iː] = night, eve, night time, nocturnal, evening oieagh = nocturnal oieoil = nightly Oie Houney = Halloween, Hop tu Naa Oie Nollick = Christmas Eve Oie Nollick Veg = New Year’s eve
Proto-Brythonic	*exuɨð = night (?)
Middle Welsh (Kymraec)	hecuuyt, echwyd, echwyt = the third hour of the day (9am), interval between 9am and 12 noon, noon, time of the day when cattle etc. shelter from the heat
Welsh (Cymraeg)	echwydd [ˈhɨ̞ðɨ̞ɡl / ˈhɪðɪɡl] = the third hour of the day (9am), interval between 9am and 12 noon, noon, time of the day when cattle etc. shelter from the heat, afternoon, evening, close of day, autumn
Middle Cornish (Cernewec)	ewhe = evening
Middle Breton (Brezonec)	ehoaz, ehoa = cattle rest at midday, resting place, shade for animals, rest ehoazaff = to day a midday rest
Breton (Brezhoneg)	ec’hoaz [ˈhyː(z)il] = midday rest, siesta ec’hoazañ = to take a midday rest ec’hoaziad = siesta ec’hoaziata = to take a siesta

Etymology: uncertain. The Goidelic words, and maybe the Brythonic words, are possibly related to āter (dull black, dark, gloomy, sad) in Latin [source], which comes from Proto-Italic *ātros (black), from Proto-Indo-European *h₂eh₁ter- (fire) [source].

Words from the same roots may include atrocious and atrocity in English, âtre (hearth, matte black) in French, atro (dark, black, bleak, brooding) in Italian, and atro (jet-black, bad, evil, sinister) in Portuguese [source].

Proto-Celtic	noxt-stu- = night (?) sindai noxtē = tonight
Gaulish	nox = night (?)
Old Irish (Goídelc)	nocht = night innocht = tonight
Middle Irish (Gaoidhealg)	nocht = night innocht = tonight
Irish (Gaeilge)	anocht [əˈn̪ˠɔxt̪ˠ] = tonight
Scottish Gaelic (Gàidhlig)	a-nochd [əˈn̪ˠɔ̃xg] = tonight
Manx (Gaelg)	noght = tonight
Proto-Brythonic	*hanoɨθ = tonight
Old Welsh (Kembraec)	nos = night henoid = tonight
Middle Welsh (Kymraec)	nos = night nosa, nossi, nosi = to become night, fall (of night) nossavl, nossol, nosawl = nightlike, nocturnal, nightly nos hon, noshon, nosson = evening, night nosweith, nossweith, noswaith = evening, night heno = tonight
Welsh (Cymraeg)	nos [noːs] = night, evening, darkness (of night), vigil nosi, nosáu = to become night, fall (of night) nosaidd = nightlike nosol = nightlike, nocturnal, nightly noson = evening, night noswaith = evening, night heno = tonight
Old Cornish	nos = night
Middle Cornish (Cernewec)	nos, nôs = night haneth = tonight
Cornish (Kernewek)	nos = night nosweyth = night-time, at night noswiker = smuggler haneth = tonight
Old Breton (Brethonoc)	nos = night
Middle Breton (Brezonec)	nos = night fenozh, fennos, fenoz, fin-noz = tonight antronoz all = the day after tomorrow
Breton (Brezhoneg)	noz [ˈnoːs] = night noziñ [ˈnoːzĩ] = to get dark nozvezh [ˈnoz.vɛs] = overnight stay, duration of one night nozik = a little dark henoazh = tonight eil tronoz = the day after tomorrow

Etymology: either from Latin nox, from Proto-Italic *nokts (night), from Proto-Indo-European *nókʷts (night). Or via Proto-Celtic *noxs (night), from the same PIE root [source].

Words from the same roots include night in English, Nacht (night) in German, ochtend (morning) in Dutch, otta (dawn, early morning) in Swedish, ακτίνα (aktína – light ray, sunbeam) in Greek [source]

Sources: Wiktionary, Etymological Dictionary Of Proto Celtic, In Dúil Bélrai English – Old Irish glossary, eDIL – Electronic Dictionary of the Irish Language, Teanglann.ie, Am Faclair Beag, An etymological dictionary of the Gaelic language, Fockleyreen: Manx – English Dictionary, Online Manx Dictionary, Gaelg Corpus, Geiriadur Prifysgol Cymru, Lexicon cornu-britannicum : a dictionary of the ancient Celtic language of Cornwall, Gerlyver Kernewek, Devri : Le dictionaire diachronique du breton, Geriafurch, TermOfis

Teary Drops

30th October 2024 By Simon

Words for tear, drop and related things in Celtic languages.

Words marked with a * are reconstructions.

Proto-Celtic	dakrū / dakrom = tear, drop (of liquid)
Old Irish (Goídelc)	dér, dǽr = tear, teardrop, drop
Middle Irish (Gaoidhealg)	dér, déor, deór = tear, drop dérach, derach = tearful, sad, lugubrious derchoínuid, derchoiniud (verbnoun) = despair, dejection, lamentation derchoíntech, dérchaintech (adjective) = despairing, tearful, sorrowful dérfadach = shedding of tears, weeping
Irish (Gaeilge)	deoir [dʲoːɾʲ/dʲɔːɾʲ] = tear(-drop), drop deoirfhliuch = tear-stained deoirghás = tear-gas deoirghinteach = lachrymatory deoircín = little drop, anecdote deoiríneacht = shedding tears, being tearfully sentimental, tearfulness, maudliness deorach = tearful, lachrymal deordradh = (act of) dripping deoraíl = (act of) weeping
Scottish Gaelic (Gàidhlig)	deòr [dʲɔːr] = drop (of liquid), tear deur [dʲiər] = drop (of liquid), tear, small amount of liquid deurach [dʲiərəx] = tearful, weeping deuran [dʲiəran] = little drop, wee drop, wee tincture
Manx (Gaelg)	jeir/jëir = tear, teardrop, spot, lachrymal, lachrymatory jeir-phianaghey = to agonize jeiragh = tearful, lachrymal, mournful jeirnys = lamentation, weeping
Proto-Brythonic	*dėgr = tear (?)
Middle Welsh (Kymraec)	deigir, deigyr, deigrev = tear, teardrop, drop
Welsh (Cymraeg)	deigryn, deigr [ˈdei̯ɡrɨ̞n / ˈdei̯ɡrɪn] = tear, teardrop, drop, raindrop deigryniad = a distilling, dripping, trickling deigrynnu = to drip, trickle, distil, exude, ooze, shed tears, drizzle deigrynnol = apt to shed tears, lachrymose, tearful
Old Cornish	dacr-(lon) = tear
Middle Cornish (Cernewec)	dagren = a small drop, a tear
Cornish (Kernewek)	dagren [daːr / dæːr] = drop, tear dagrewi = to shed tears, weep derw = oak trees
Old Breton	dacrlon = tear, teardrop
Middle Breton (Brezonec)	dar(rou) = tear(s), teardrop(s)
Breton (Brezhoneg)	daer [dɛːr] = tear, teardrop daeraouus = tearful daeraouiñ, daerin = to cry, be tearful daererezh = tearing

Etymology: from the Proto-Indo-European dáḱru (tear). Words from the same root include δάκρυ (dákry – tear) in Greek, tear and lacrimal/lachrymal (relating to tears, tearful) in English, tår (tear, drop) in Swedish, traan (tear, fish oil) in Dutch, Träne (tear) in German, lágrima (tear, teardrop) in Spanish, and zacchera (mud splash) in Italian [source].

Old Irish (Goídelc)	bráen = rain, moisture, drop, precipitation
Middle Irish (Gaoidhealg)	bráen, bróin, bróen = rain, moisture, drop(s) bráenach, braonach = shedding drops, wet, moist, well-watered bráenaid = to wet, sprinkle, rain bráenán = drops, shower bráenfadach = foaming (of a waterfall) bráengal = shower, sprinkling
Irish (Gaeilge)	braon [bˠɾˠeːn̪ˠ / bˠɾˠiːnˠ] = (single) drop, gathering, pus braonach = dripping, misty, wet, tearful braonaíl = dripping, drops braonán = droplet
Scottish Gaelic (Gàidhlig)	braon [brɯːn] = drop, drizzle braonach [brɯːnəx] = drizzly, dewy braonadh [brɯːnəɣ] = (act of) drizzling braonan [brɯːnan] = small drop (of liquid), dram
Manx (Gaelg)	brey = drop

Etymology: unknown. Possibly related to Ancient Greek βρέχω (brékhō – I send rain), Latin rigo (I water, moisten), and English rain [source].

Proto-Celtic	*bandyo- = drop
Old Irish (Goídelc)	banne = drop, pustule bannán = small drop, droplet
Middle Irish (Gaoidhealg)	bannae, bainne, banne = drop, pustule, milk
Irish (Gaeilge)	bainne [ˈbˠaɲə / ˈbˠan̠ʲə] = milk bainniúil = milky, milk-yielding bainniúilacht = milkiness
Scottish Gaelic (Gàidhlig)	bainne = milk boinne [bɔn̪ʲə] = drop, small quantity, liquid measure boinneag [bɔn̪ʲag] = droplet, little/small drop, (alcoholic) drink boinnean [bɔn̪ʲan] = droplet, wee drop
Manx (Gaelg)	bainney [banʲə] = milk
Middle Welsh (Kymraec)	ban = drop (?)
Middle Cornish (Cernewec)	ban, banna, banné = drop, a jot, the smallest portion of anything
Cornish (Kernewek)	banna = bit, drop
Middle Breton (Brezonec)	banne, bannhe, bannech = drop, droplet
Breton (Brezhoneg)	banne [ˈbã.nːe] = drop, droplet, glass banneata = to drink shots

Etymology: uncertain. Possibly related to French bain (bath) in French, baño (bath, bathroom, toilet), bagno (bath, to swin, bathe, bathroom) in Italian, and bania (jug, can, container, churn) in Polish [source].

Roots

14th April 202314th April 2023 By Simon

Words for roots and related things in Celtic languages.

Proto-Celtic	wridmā, wridā = root
Old Irish (Goídelc)	frém [fʲrʲeːṽ] = root
Middle Irish (Gaoidhealg)	frém, prém = root, source, origin, rootstock, race frémach, prémach = roots, genealogical stock, abounding roots frémaigid = intransitive, takes root frémamail = radical, primary
Irish (Gaeilge)	fréamh [fʲɾʲeːvˠ] = root, source, origin, rootstock, race, radical (in linguistics and chemistry) fréamhach = roots, having roots, rooted, established fréamhaí = derivative, radical fréamhaigh = to root, spring, descend (from), derive (from)
Scottish Gaelic (Gàidhlig)	freumh [frʲɪəv] = root, source, derivation freumhagach = pertaining to or abounding in small roots, fibrous freumhag = small root, rootlet, fibre freumhach = rooted, abounding in roots, steady, fundamental freumhaichte = rooted, derived freumhachadh = rooting, taking root, deriving, derivation, etymology
Manx (Gaelg)	fraue [freːw] = bulb, derivation, radical, root frauaghey = to root frauee = derivative, primitive fraueit = grafted, rooted
Middle Welsh (Kymraec)	gureid, gwreid = root
Welsh (Cymraeg)	gwraidd [ɡwrai̯ð] = root, bottom, base, foundation, source, origin, ancestry gwreiddiadur = etymological dictionary gwreiddiaf, gwreiddio = to root, grow roots, take root, become ingrained or established, be rooted, be derived, ground, found, secure, establish gwreiddiog = having roots, rooted, ingrained gwreiddiol = original, primitive, innate, initial, established, hereditary gwreiddyn = root, beginning, origin, source, nucleus, essence, foundation, reason, stock, pedigree
Old Cornish	grueiten = root
Middle Cornish (Cernewec)	gwredh, gwreydh, gwreidhen = root gwredhan = a single root gwrydhye = to take root, to be rooted
Cornish (Kernewek)	gwrydhen = root gwreydhek = original gwreydhyel = radical gwreydhyoleth = radicalism
Old Breton	uraed = root
Middle Breton (Brezonec)	gwrizienn, gruyzyenn, gruyzienn, grizyen = root gwriziaouiñ gwriziañ, gwriziennañ = to take root, put down roots
Breton (Brezhoneg)	gwrizienn = root, origin, base gwriziañ = to take root, put down roots, ingrained

Words marked with a * are reconstructions.

Etymology: from Proto-Indo-European *wr̥h₂d-/*wréh₂ds (root). Words from the same roots include root, radish and wort (a liquid extracted from mash when making beer or malt liquor) in English, rot (root, source) in Swedish, rod (root) in Danish, wortel (carrot) in Dutch, Wurzel (root) in German, raíz (root, origin) in Spanish, raíz (root, origin) in Spanish [source].

Sources: Wiktionary, Am Faclair Beag, Online Manx Dictionary, Teanglann.ie, eDIL – Electronic Dictionary of the Irish Language, In Dúil Bélrai English – Old Irish glossary, Geiriadur Prifysgol Cymru, Gerlyver Kernewek, Gerlyvyr Cernewec, Dictionaire Favereau, TermOfis, Le dictionnaire diachronique du breton, Geriafurch, English – ProtoCeltic WordList (PDF), Etymological Dictionary Of Proto Celtic

Halves and Sides

7th January 20237th January 2023 By Simon

Words for half, side and related things in Celtic languages.

Proto-Celtic	letos = side ɸletos = breadth, side
Primitive Irish	ᚂᚓᚈᚐᚄ / letas = half, direction, side
Old Irish (Goídelc)	leth [l͈ʲeθ] = half, direction, side
Middle Irish (Gaoidhealg)	leth = half, side
Irish (Gaeilge)	leath [lʲah/lʲæx/l̠ʲæ] = side, part, direction; half, part, portion leathach = divided in two, two-part leithead = breadth, width leathadh = spreading, spread, diffusion, scattering, broadcasting
Scottish Gaelic (Gàidhlig)	leth [l̪ʲeh] = half, side, share leth-ghlic = half-witted leth-leanabh = twin leth-oireachas = separation, partiality, isolationism, favouritism leisgeul = excuse, apology, pretext (from leth and sgeul [story])
Manx (Gaelg)	lieh = part, half, behalf, makeshift lieh fuinnit = half-baked lieh henn = middle aged
Proto-Brythonic	*lled = breadth, side
Middle Welsh (Kymreac)	let, llet, led = year (of age)
Welsh (Cymraeg)	lled [ɬeːd] = breadth, width, beam (of boat), latitude, amplitude, extent, diameter, thickness; half, part(ly), fairly, moderately lleda(e)naf, lleda(e)nu = to spread out, scatter abroad, disseminate lladaf, lledu = to became broad(er) / wide(r), broaden, open out, expand, become widespread lleden = flat-fish, flat or sprawling (person/thing), flattish mass, blade, fluke
Middle Cornish (Cernewec)	les = breadth, width, latitude
Cornish (Kernewek)	les = breadth, width lesa = to expand, spread lesans = expansion, spread
Middle Breton (Brezonec)	led = width, wideness, breadth; horizontally ledan = wide, large, broad, vast, big ledañ, lediñ, ledek = to stretch out, extend, spread (out) ledanaat = to widen, broaden, stretch
Breton (Brezhoneg)	led = wide, large, broad, spreading a-led = horizontal ledan = vast, wide ledañ = to spread, generalize ledanded = width, breadth

Etymology: from the Proto-Indo-European *pléth₂-os (breadth), from *pleth₂- (broad, flat) [source]. Words from the same PIE roots include field, flan, flat and fold (a pen for animals) in English, flat in English, and πλατεία (plateía – town square) in Greek [source].

Proto-Celtic	*santeros = middle, half
Proto-Brythonic	*hanter = half
Old Welsh	hanther = half
Middle Welsh (Kymreac)	hanner, hanher = half, middle
Welsh (Cymraeg)	hanner [ˈhanɛr/ˈhanar] = half, middle, midday, midnight, side, part hanner-cylchynol = semicircular hanner dydd = midday, noon hanner nos = midnight
Middle Cornish (Cernewec)	hanter = half, a moiety hanter dŷdh = midday hanter nôs = midnight
Cornish (Kernewek)	hanter = half hantera = to halve hanterdydh = midday, noon hantergylgh = hemisphere hanterkans = fifty hanter-mis = fortnight, two weeks hanter-nos = midnight hanter-our = half-hour hanter-pennwari = semi-final hanter termyn = half time
Middle Breton (Brezonec)	hanter = half hanterañ, hanteriñ = to halve, cut in half hanter-kant = fifty hanter-war-hanter = neck and neck, tied
Breton (Brezhoneg)	hanter [ˈhɑ̃n.tɛʁ] = half hanter dro = u-turn hanterad = mediator hanterenn = half time hanternoz = midnight

Etymology: from the Proto-Indo-European *sm̥teros (one of the two), from *sem- (one) and *-teros (contrastive suffix) [source]. Other words from the PIE root *sem- (one) include: same, seem, semi, similar and single in English [source].

Words marked with a * are reconstructions.

Sources: Wiktionary, Am Faclair Beag, Online Manx Dictionary, Teanglann.ie, eDIL – Electronic Dictionary of the Irish Language, In Dúil Bélrai English – Old Irish glossary, Geiriadur Prifysgol Cymru, Gerlyver Kernewek, Dictionaire Favereau, TermOfis, English – ProtoCeltic WordList (PDF), Etymological Dictionary Of Proto Celtic

Rawness

21st July 202221st July 2022 By Simon

Today we’re looking at the words for raw and related things in Celtic languages.

Raw

Proto-Celtic	*omos = raw
Old Irish (Goídelc)	om [oṽ] = raw, uncooked
Middle Irish (Gaoidhealg)	om = raw, uncooked; crude, undigested, immature; rude, unrefined, barbarous
Irish (Gaeilge)	amh [ˈavˠ / ˈaw] = raw, uncooked amhábhar = raw material, staple aimhe = rawness, crudeness amhainse = sharpness, astuteness amhainseach = sharp, astute amhchaoin = rough, uncouth amhola = crude oil
Scottish Gaelic (Gàidhlig)	amh [af] = raw, uncooked; extra rare, blue (meat); uncouth, crude amhachd [avəxg] = rawness
Manx (Gaelg)	aw = crude, raw, uncooked, undressed awid = crudeness, rawness, rareness awaneagh = moron, oaf; oafish, raw, rude, uncivilsed, vain feill aw = raw meat ooill aw = crude oil
Proto-Brythonic	*oβ̃ = raw
Middle Welsh (Kymraec)	of = crude, uncooked, raw
Welsh (Cymraeg)	of [braːɨ̯n / brai̯n] = crude, untreated, uncooked, raw, bitter, sharp, nauseating, sickly ofaf, ofi = to decompose, crumble, analyse

Etymology: from the Proto-Indo-European *h₂eh₃mós (raw, uncooked, bitter, sour), probably from *h₂eh₃- (to be hot, burn) [source].

Words for copper and bronze in Celtic languages possibly come from the same Proto-Celtic root, via the word *omiyom [source].

The Greek word ὠμός [oˈmos] (raw, uncooked, crude, brutal) comes from the same PIE root [source].

Middle Welsh (Kymraec)	cri = crude, uncooked, raw
Welsh (Cymraeg)	cri [kriː] = raw, fresh, new, crude, coarse, unfulled (cloth), unleavened bara cri = unleavened bread defnyddiau cri = raw materials teisen gri = griddle cake, Welsh cake
Middle Cornish (Cernewec)	criv = rude, raw, green, newly made, unripe
Cornish (Kernewek)	kriv = crude, fresh, raw, uncooked, unripe krivder = rawness gossen griv = raw umber
Middle Breton	criz, cry = raw, crude, cruel, rough
Breton (Brezhoneg)	kriz = raw, crude, cruel, rough gopr kriz = gross salary hollad kriz = gross total obar kriz = act of barbarism

Etymology: possibly from the Latin crūdus (raw, bloody), from the Proto-Italic *krūros (bloody), from the Proto-Indo-European *kruh₂rós (bloody), from *krewh₂- (raw meat, fresh blood). The English words crude and cruel come from the same Latin root, and raw comes from the same PIE root [source].

Middle Welsh (Kymraec)	amrwt = raw, uncooked
Welsh (Cymraeg)	amrwd [ˈamrʊd] = raw, uncooked, unprocessed, undigested, crude, untreated, unrefined, rough, approximate

Etymology: from the Proto-Celtic *an (un-) and *brutus (boiling heat), from the Proto-Indo-European *bʰrewh₁- (to boil, brew) [source].

Other words from the Proto-Celtic root *brutus include brwd (eager, keen, passionate, zealous) and brwdfrydedd (enthusiasm) in Welsh, and bruth (heat, rash, eruption, nap, pile, surf) in Irish [source].

Words marked with a * are reconstructions.

Strength

9th October 201913th May 2024 By Simon

Words for strength and related things in Celtic languages.

Strength

Words marked with a * are reconstructions.

Proto-Celtic	brīgos = strength brīga = power, worth
Gaulish	*brīgos = strength
Old Irish (Goídelc)	bríg [bʲrʲiːɣ / bʲrʲiːɣʲ] = force, power, value, virtue, strength, vigour, vitality brígach = powerful, mighty, strong brígmar = powerful
Middle Irish (Gaoidhealg)	bríg, brigh = power, strength, force, authority, vigour, virtue, might, value, worth, advantage, meaning brígach = powerful, mighty, forceful brígda = strong, vigorous brígmar = powerful, strong, vigorous, lively, efficacious brígrad = power, force
Irish (Gaeilge)	brí [brʲiː] = strength, vigour; force, significance; influence, merit bríoch = strong, vigorous, efficacious bríochmar = strong, viorous bríochtach = strong, vigorous person
Scottish Gaelic (Gàidhlig)	brìgh [brʲiː] = essence, gist, matter, pith, purport, substance; meaning, sense, significance; point (of an argument); energy, force brìghealachd [brʲiː.əLəxg] = substance, juiciness, pithiness, significance (in mathematics) brìgheil [brʲiː.al] = meaningful, significant brìoghmhor [brʲiː(v)ər] = meaningful, energetic, substantial, pithy
Manx (Gaelg)	bree = power, energy, stamina, vigour, virtue, initiative, validity, animation, inwardness, glow, exhalation, drift, essence, gist, effect breeagh = inspiring, vigorous breeoil = dynamic, energetic, essential, impulsive, valid, vibrant, vigorous, active, powerful
Proto-Brythonic	*briɣ = honour, dignity (?)
Middle Welsh (Kymraec)	bri = honour, dignity, reputation, fame
Welsh (Cymraeg)	bri [briː] = honour, dignity, reputation, fame, prestige, esteem, power, authority, importance, value, popularity briaeth = honour, dignity briol = honourable, reverent, dignified
Middle Cornish (Cernewec)	bry = account, value, worth, price
Cornish (Kernewek)	bri = distinction, esteem, importance, relevance, reputation, value, prominence fowt bri = insignificance heb bri = irelevant
Old Breton (Brethonoc)	bri = importance, weight, authority
Middle Breton (Brezonec)	bry = respect, consideration
Breton (Brezhoneg)	bri [briː] = dignity, honour, respect, consideration brient = privilege, prerogative brientek [bri.ˈɛn.tek] = privileged brientin = = privileged, aristocrat

Etymology: possibly the Proto-Indo-European *bʰrḗǵʰ-o-s, from *bʰerǵʰ- (to rise, ascend, to be elevated, up high). Words from the same roots, via Gaulish, include brio (vigour, vivacity) in English, briu (energy, push, courage) in Catalan, brio (vivacity, liveliness) in Italian, brío (vigour, mettle, zeal) in Spanish, and brio (brilliance, panache) in French [Source].

Words from the same PIE roots include barrow, burrow, bury, effort, force and fort in English, and brenin (king), bwrw (to hit, strike, cast) in Welsh [Source].

Proto-Celtic	*nertom = strength, power
Celtiberian	Nerto- = strength (?)
Gaulish	Nerto- = strength (?)
Old Irish (Goídelc)	nert [n͈ʲer͈t] = power, strength nertaid [ˈn͈ʲer͈tɨðʲ] = to strengthen
Middle Irish (Gaoidhealg)	nert, nnert, nirt = strength, might, power, ability, significance nertaid = to strengthen, confirm, exhort, urge nertaigid = to strengthen, confirm, encourage, grow strong, side with support
Irish (Gaeilge)	neart [nʲaɾˠt̪ˠ / n̠ʲæɾˠt̪ˠ] = strength, force, power, ability, plenty neartaigh = to strengthen neartaitheach = strengthening, reinforcing neartaitheoir = strengthener, abettor neartmhaire = vigorousness, strength neartmhar = strong, vigorous, powerful neartú = strengthening, reinforcement, support
Scottish Gaelic (Gàidhlig)	neart [̪nʲɛRʃd] = might, strength, force, energy, power, (alcoholic) proof, majority, most neartachadh [n̪ʲɛRʃdəxəɣ] = strengthening, building up, making strong neartaich strengthen, build up, make strong neartaiche = strengthener, emphasiser neartail = mighty, powerful, emphatic, forcible neartmhor = mighty, powerful, emphatic, forcible neartmhorachd = robustness, vigour
Manx (Gaelg)	niart = strength, power, force niartaght = strength niartal = cogent, forcible, mighty, potent, powerful, strong niarteyder = strengthener
Proto-Brythonic	*nerθ [nɛrθ] = strenght, force, power
Old Welsh (Kembraec)	nerthi = to strengthen, reinforce, fortify
Middle Welsh (Kymraec)	nerth, nyrth = force, strength, power, might nerthawc, nerthawg, nerthog = strong, mighty, powerful nerthawl, nerthol = strong, mighty, powerful nerthu = to strengthen, reinforce, fortify nerthyd, nerthwr = fortifier, supporter, helper
Welsh (Cymraeg)	nerth [nɛrθ] = force, strength, power, might, energy, vigour, hardness nerthedig = strong, strengthened nerthog = strong, mighty, powerful, potent nerthol = strong, mighty, powerful, potent nerthu = to strengthen, reinforce, fortify, aid, help, exhort, urge nerthwr, nerthydd = fortifier, supporter, helper
Middle Cornish (Cernewec)	nerth = might, power, strength, force
Cornish (Kernewek)	nerth [nɛrθ] = energy, force, might, power, strength nertha = to strengthen nerthek = energetic, powerful, robust
Old Breton (Brethonoc)	nerth = force, energy
Middle Breton (Brezonec)	nerz, nerh = force, energy nerzus, nerhus = vigorous, robust, energetic
Breton (Brezhoneg)	nerzh [nɛrs] = force, energy nerzhan nerzhañ [ˈnɛrzan / ˈnɛrzã] = to strengthen, reinforce nerzhder = vigueur nerzhek = drastic nerzhekaat = to give energy nerzhelour = dynamic nerzhus = vigorous nerzhusaat = to strengthen oneself

Etymology: possibly the Proto-Indo-European *h₂ner-to- (virile, strong), from *h₂nḗr- (man, vital, energy). Words from the same roots include njer (man, human, person) in Albanian, άντρας [ˈandras] (man, husband) in Greek, noras (wish, desire, will, intention) in Lithuanian, nêr (lord, chief) in Welsh, and the name Nero [Source].

Old Irish (Goídelc)	láitir = strong, powerful
Middle Irish (Gaoidhealg)	láitir, laitir [ˈl͈aːdʲərʲ] = strong, powerful
Irish (Gaeilge)	láidir [ˈl̪ˠɑːdʲəɾʲ / ˈl̪ˠaːdʲəɾʲ] = strong, powerful, durable, tough, solid, forcible, loud láidreacht = strength láidrigh = to strengthen
Scottish Gaelic (Gàidhlig)	làidir [l̪aːdʲɪrʲ] = strong, potent, emphatic, robust, substantial làidireachd = strength làidireach = strong, potent, emphatic làidrich = make strong, strengthen
Manx (Gaelg)	lajer = strong, potent, vigorous, hard, heavy, powerful, stark lajeragh = to strengthen, strengthening lajerid = potency, powerfulness, strength, vigour lajerys = cogency, force, might, prowess, strength

Etymology: unknown [Source].

Irish (Gaeilge)	cadrán = hardness, stubborness, obstinacy cadránta = hard, unfeeling, stubborn, obstinate cadrántacht = hardness, stubborness, obstinacy
Proto-Brythonic	*kadarn = strong, powerful, mighty (?)
Middle Welsh (Kymraec)	cadarn, kadarn, katarnn = strong, powerful, mighty cadarnhau, kadarnaha = to strengthen, secure, fortify, safeguard kedernyt, kedernit, cedernyt = strength, power, potency, might
Welsh (Cymraeg)	cadarn [ˈka(ː)darn] = strong, powerful, mighty, firm, fast cadarnhad = confirmation cadarnhau = to strengthen, secure, fortify, safeguard cadernid = strength, power, potency, might
Middle Cornish (Cernewec)	cadarn = strong, stout, valiant

Etymology: from Proto-Celtic *katus (battle), from Proto-Indo-European *kéh₃tus (battle), from *keh₃- (to fight). Words from the same roots include Hader (dispute, quarrel) and hadern (to quarrel, bicker, struggle) in German, and words for battle in Celtic languages [Source].

Proto-Celtic	*kriɸmos = strong (?)
Proto-Brythonic	*krɨβ̃ = strong
Middle Welsh (Kymraec)	cryf, kryf = strong, powerful, vigorous cryfder = strength, power, might
Welsh (Cymraeg)	cryf [krɨːv / kriːv] = strong, powerful, vigorous, intoxicating, tough, rich, fruitful, intense cryfder = strength, power, might cryfhau = to strengthen
Old Cornish	crif = strong, mighty, vigorous, hardy
Middle Cornish (Cernewec)	cref, crŷf, crif, crev = strong, mighty, vigorous, hardy
Cornish (Kernewek)	krev = forceful, powerful, robust, strong, substantial krevder = intensity, strength
Middle Breton (Brezonec)	cref, creff = strong, powerful
Breton (Brezhoneg)	kreñv [ˈkrẽ(w)] = strong, solid kreñvaat [krẽˈfɑːt] = to strengthen, reinforce kreñvder [ˈkrẽ(w)dɛr] = strength, power, might kreñvlec’h = stronghold, fortress

Etymology: from Proto-Celtic *kriɸ- (body) from Proto-Indo-European *krep- (body). Words for body in Celtic and other languages come from the same roots [Source].

Proto-Celtic	trexsnos = strong trexsos = stronger
Gaulish	Trexius, Trexa, Trenus = personal names
Primitive Irish	ᚈᚈᚏᚓᚅᚐᚂᚒᚌᚑᚄ (ttrenalugos), ᚈᚏᚓᚅᚐᚌᚒᚄᚒ (trenagusu) = (?)
Old Irish (Goídelc)	trén [tʲrʲeːn] = strong treise = power, strength
Middle Irish (Gaoidhealg)	trén = strong, powerful, strong man treise = strength, vigour, power
Irish (Gaeilge)	tréan = strong man, warrior, champion, strength, power, intensity, plenty, abundance tréaniarracht = strong, forcible, attempt treise = strength, power, dominance, force, emphasis treisigh = to strengthen, reinforce, fortify treisiúil = strong, forceful, vigorous
Scottish Gaelic (Gàidhlig)	trèine [treːnə] = might, power treise [treʃə] = strength, vigour treun [treːn] = champion, hero, brave, strong, sturdy treunar [treːnər] = strong man, champion, hero; very brave, heroic treunas = might, power treuntachd = boldness, courage treuntas = strength, power, magnanimity
Manx (Gaelg)	trean = brave, firm, heroic, intensive, mighty, stout, valiant treanid = braveness, exploit, feat heroics, might, strength, valour
Proto-Brythonic	*trex = stronger
Middle Welsh (Kymraec)	trech = stronger, mightier, greater, superior, better
Welsh (Cymraeg)	trech [treːχ] = stronger, mightier, greater, superior, better trechedd = supremacy, dominance trechu = to defeat, overcome, overpower
Cornish (Kernewek)	trygh = conquest, victory, superior, triumphant, victorious trygher = victor tryghi = to conquer, vanquish
Middle Breton (Brezonec)	trech = victorious, victory trechy, trechiff = to conquer, prevail, overcome
Breton (Brezhoneg)	trec’h [briː] = superior, victorious, victory trec’hadeg = triumph trec’hadenn = success trec’hedigezh = defeat trec’her = winner trec’hin, trec’hiñ = to conquer, prevail, overcome trec’hus = victorious

Etymology: the Proto-Indo-European *(s)treg- (to be stiff, rigid, strong) or *treg- (strength). Words from the same roots include þróttur (strength, vigour, energy) in Icelandic, and idrott (sport, physical education) in Swedish [Source].

Sources: Wiktionary, Am Faclair Beag, Online Manx Dictionary, Teanglann.ie, eDIL – Electronic Dictionary of the Irish Language, In Dúil Bélrai English – Old Irish glossary, Geiriadur Prifysgol Cymru, Gerlyver Kernewek, Dictionaire Favereau, TermOfis, English – ProtoCeltic WordList (PDF), Etymological Dictionary Of Proto Celtic

Oak (trees)

21st August 201923rd November 2024 By Simon

Words for oak (tree) and related things in Celtic languages.

Words marked with a * are reconstructions.

Proto-Celtic	*daru [d̪ˠaɾʲ] = oak
Gaulish	Dervo = used in placenames
Old Irish (Goídelc)	dair [d̪ˠaɾʲ] = oak
Middle Irish (Gaoidhealg)	dair, daur = an oak, the letter D in the Ogham alphabet (ᚇ) dairbre, dairbhre = an oak, oakling, a grove of oak grees, an oak wood dairde, daurde = oaken dair-ḟid, dauruth = an oak wood
Irish (Gaeilge)	dair [d̪ˠaɾʲ] = oak, the letter D in the Ogham alphabet (ᚇ) dairbhre = oaks, oak-grove daireach = planted with / full of oaks doire [ˈd̪ˠɛɾʲə] = oak-wood; wood, grove, thicket
Scottish Gaelic (Gàidhlig)	dair [darʲ] = oak (archaic), the letter D, ᚛ᚇ᚜ in Ogham dairbhre = oak, nursery or grove of oaks darach [darəx] = oak, oaken, made of oak; ship (poetic) darag [darag] = small/dwarf oak, stunted/branchy tree (which is not useable for working)
Manx (Gaelg)	darragh = oak, oaken, oak grove, oak wood darrag = oak, beam, cast (fishing), snood, hairline darree = oak
Proto-Brythonic	*dar [ˈdar] = oak tree
Middle Welsh (Kymraec)	dar, dâr = oak derwd(y) = oak house, oratory, prayer house, coffin derwin, deruin = make of oak, oaken, abounding in oaks, strong, robust, oak timber
Welsh (Cymraeg)	dâr [ˈdaːr] = oak tree, foremost warrior, leader, mighty lord derw = oak trees derwen [ˈdɛrwɛn] = oak tree derwin = make of oak, oaken, abounding in oaks, strong, robust, oak timber der(w)lwyn = oak grove, oak wood
Old Cornish	dar = oak
Middle Cornish (Cernewec)	dar = an oak
Cornish (Kernewek)	dar [daːr / dæːr] = oak derwen = oak tree derw = oak trees
Old Breton	daeru = oaks
Middle Breton (Brezonec)	deru = oaks
Breton (Brezhoneg)	dar [dɑːr] = oak derv [ˈdɛrw/ˈdɛː.ro] = oaks dervenneg = with oak trees dervoed [dɛʁwət] = oak grove, oak wood

Etymology: from the Proto-Indo-European *dóru (tree) [source].

Words from the same Proto-Celtic root possibly include làrix (larch) in Catalan, lariks (larch) in Dutch learag (larch) in Scottish Gaelic, larch in English, Lärche (larch) in German, and lærk (larch) in Danish [source].

Words from the same PIE root include δόρυ (dóry – spear) in Greek, dervà (tar, resin) in Lithuanian terva (tar) in Finnish, dearbh (sure, certain) in Irish, tree, trim, and trough, true in English, and trä (wood) in Swedish [source].

Proto-Celtic	*tannos = green oak
Gaulish	*tannos = oak
Old Irish (Goídelc)	tinne = holly, elder
Middle Irish (Gaoidhealg)	tinne = holly, elder, the letter t in the Ogham alphabet (ᚈ)
Irish (Gaeilge)	tinne = the letter t in the Ogham alphabet (ᚈ)
Scottish Gaelic (Gàidhlig)	teine/tinne [tʲenə] = gorse, whin, furze (archaic), the letter t (ᚈ) in Ogham
Welsh (Cymraeg)	taneru, tener(i)o = to tan (hide) tanerdy = tannery tanerwr = tanner (of hides)
Old Cornish	tannen = oak (?)
Middle Cornish (Cernewec)	tonnen = bark glastanen, glastennen, glastan = (scarlet) oak
Cornish (Kernewek)	glastanen gelyn = holly/holm oak glastanen gork = cork oak
Middle Breton (Brezonec)	glastann(enn) = holm oak(s)
Breton (Brezhoneg)	tann [tānː] = sessile oaks tannañ = to tan glastann = holm oaks

Note: the Welsh words were borrowed from English tanner, which ultimately comes from Proto-Celtic *tannos, via French, Latin and Gaulish.

Etymology: from Proto-Celtic *(s)tannos, the Proto-Indo-European *(s)dʰnwos/*(s)dʰonu (fir). Words from the same Proto-Celtic roots, via Gaulish and Latin tannum (oak bark), include tan (pulped oak bark used in the tanning process of leather) in French, tano (stem, slip) in Galician, tanería (tannery), Tannenbaum (fir tree, Christmas tree) in German, θάμνος (thámnos – bush) in Greek, and tan, tannery, tannin (tannic acid) in English.

Words from the same PIE roots include thanë (cranberry bush) in Albanian, and धनु (dhanu – bow) in Sanskrit. [source].

Streets

22nd May 201925th March 2024 By Simon

Words for street in Celtic languages.

Words marked with a * are reconstructions.

Old Irish (Goídelc)	sráit [sraːdʲ] = street, road
Middle Irish (Gaoidhealg)	sráit [sraːdʲ] = street, road, path, way
Irish (Gaeilge)	sráid [sˠɾˠɑːdʲ / sˠɾˠæːdʲ] = street, level (surfaced) ground around house, village sráidbhaile = village sráideánach = villager, townsman sráidéigeas = street singer sráideoireacht = street-walking, strolling sráidí = street-walker, stroller, idler
Scottish Gaelic (Gàidhlig)	sràid [sdraːdʲ] = street, lane sràideachd [sdraːdʲəxg] = (act of) walking the streets, (act of) pacing sràideag [sdraːdʲag] = small lane, skip, leap, short walk, street walker sràideamaich [sdraːdʲəmɪç] = promenade, perambulate, saunter, stroll, lounge sràidimeachd [sdraːdʲɪməxg] = promenading, perambulating, sauntering, strolling, lounging sràidean [sdraːdʲan] = little street sràidearachd [sdraːdʲərəxg] = (act of) sauntering, promenading
Manx (Gaelg)	straid = street, farmyard, thoroughfare straaid = street
Middle Welsh (Kymraec)	stryd, ystryd, ystryt = street, (main) road, highway
Welsh (Cymraeg)	(y)stryd, (y)strŷt = street, (main) road, highway strydgall = streetwise stryd fawr = high street, main street stryd unffordd = one-way street
Cornish (Kernewek)	stret [strɛ:t / stre:t] = street stret unfordh = one-way street stretwikor, stretwikores = street-trader stretyn = alley, little street
Middle Breton (Brezonec)	strehet = alley, lane, road
Breton (Brezhoneg)	straed [ˈstrɛːt] = alley, lane, road narrow path, throat straed-dall = cul-de-sac

Etymology: from the Old Norse stræti (street) or the Old English strǣt (road, street), from the Proto-Germanic *strātō (street), both of which come from the Late Latin strāta (a paved road), from strātus (stretched out, spread out), from Proto-Italic *strātos, from PIE *str̥h₃tós (stretched, spread) [source].

From the same roots we get words such as stratum, stratus (cloud), and strategy in English, estrato (layer, stratum) in Spanish, στρατός [stɾaˈtos] (army) in Greek, and words for (flat) valley in Celtic languages, such as srath in Irish and Scottish Gaelic, and ystrad in Welsh [source].

Sources: Wiktionary, Am Faclair Beag, Online Manx Dictionary, Teanglann.ie, eDIL – Electronic Dictionary of the Irish Language, In Dúil Bélrai English – Old Irish glossary, Geiriadur Prifysgol Cymru, Gerlyver Kernewek, Dictionaire Favereau, TermOfis, English – ProtoCeltic WordList (PDF), Etymological Dictionary Of Proto Celtic

Big, Large & Great

25th September 201812th October 2023 By Simon

Words for big, large & great in Celtic languages.

Words marked with a * are reconstructions.

Proto-Celtic	māros = big, great māyūs = bigger, greater *mārāti = to enlarge, magnify
Gaulish	maros
Lepontic	𐌌𐌀𐌓𐌖𐌉 (marui)
Old Irish (Goídelc)	mór = big, great mó, moü, moä = bigger
Middle Irish (Gaoidhealg)	mór, már = big, great mó = bigger, greater mórán, moran = a large quantity or number anmor = huge, enormous
Irish (Gaeilge)	mór [mˠoːɾˠ / mˠɔːɾˠ] = big, great, large mó [mˠoː/mˠuː] = bigger, greater, larger mórán = much, many anmhór = huge, enormous, very friendly anmhórán = huge amount, hugh number athair mór = grandfather baile mór = large town, city
Scottish Gaelic (Gàidhlig)	mòr [moːr] = big, great, large, grand, strapping; ample, bulky; high, lofty, tall; spacious; large amount mò = bigger, greater, larger mòran = a lot, many, much, multitude ana-mhòr = huge, innense, enormous, prominent baile-mòr = town, city mòr-chuid = majority, most
Manx (Gaelg)	mooar [muːr / muːɹ̝ / muːə̯ / muː] = big, great, grand, heavy, tall, chief, major, familiar, powerful, marked, commodious, intimate, capacious, extravagant, intense, extensive, grievous, bold (promintary), loose-fitting, difficult moo = bigger, larger mooaran = many, much mooarane = great deal, lot, many, much, multitude mooar-earroo, mooar-eash = majority
Proto-Brythonic	*mọr [mɔːr] = great, large
Old Welsh	maur = great
Middle Welsh (Kymraec)	máúr, maur, mawr = large, big moi, muy, mui, mwy = larger, bigger, greater muyhaw, mvihaw, mvyhaf, mwyhaf = biggest, largest, greatest mawraidd, mawredd = great, fine, grand, majestic mawr eir, mawrair, mawreir = boast, bragging, eloquence, elevated language mawrdec, mawrdeg = great and fair, very fine, magnificent, splendid mawrder, mowrder = largeness, bigness, immensity, greatness
Welsh (Cymraeg)	mawr [mau̯r / mou̯r] = large, big; fully grown; capital (letter); heavy (rain); long (hair/time); deep (water), great, greater, stormy, rough mwy [muːɨ̯/mʊi̯] = larger, bigger, greater, louder, more, longer, further mwyaf = biggest, largest, greatest, most, loudest, longest mawraidd = great, fine, grand, majestic mawrair = boast, bragging, eloquence, elevated language mawrdeg = great and fair, very fine, magnificent, splendid mawrder = largeness, bigness, immensity, greatness
Old Cornish	maur = big
Middle Cornish (CerneweC)	maur, meur, mûr = great, large, big, much moy = more, greater, bigger moya, moycha, mocha, mochya = greatest, most
Cornish (Kernewek)	meur [mø:r / me:r ] = great, grand, large, substantial, much moy = another, extra, more moyha = maximum, most meur lowr = considerably meur ras = thank you meuredh = majesty meurgara = to admire meurgarer = admirer meurgeryans = admiration meurgeryek = admirable meurgerys = beloved
Old Breton	mor = big
Middle Breton (Brezonec)	meur = big, very, many muy, mui = more meurbet = very, a lot, big meurded, meurdet = size, magnitude, greatness meurdez = majesty meurniver = multitude meurvor = ocean
Breton (Brezhoneg)	meur [møʁ] = big, many mui = more moyha = maximum, most meurded = magnificance meurdez = majesty meurvor = ocean

Etymology: from Proto-Indo-European *moh₁ros (great) [source].

Words from the same Proto-Celtic root, via Byzantine Greek μάραον (máraon – sweet chestnut), include marrone (brown, chestnut) in Italian, marron (chestnut, brown) in French, Morone (sweet chestnut) in German [source].

Proto-Celtic	*brassos = great, violent
Old Irish (Goídelc)	bras = boastful, strident, violent
Middle Irish (Gaoidhealg)	bras, brass, brassa = boastful, defiant, forceful, violent
Irish (Gaeilge)	bras = great, strong, swift (literary) brasach = lively, quick-spoken brasaire = lively, quick-spoken, talkative person
Scottish Gaelic (Gàidhlig)	bras [bras] = swift, precipitous, rapid, hasty, impetuous, impulsive, rash, quick-tempered, exuberant, heady bras-astarach =fleet-footed bras-mhacnas = exuberant mirth, extreme debauchery bras-uisgeach = swift/white-watered bras-shruth = rapids, torrent
Welsh (Cymraeg)	bras [braːs] = thick, fat, plump, stout, bulky, fatted, large, strong; coarse (sand); heavy (rain)
Middle Cornish (Cernewec)	bras, brâs = great, gross, big, large, coarse brasder = greatness, largeness, bigness, pride braslavar = grandiloquent brasoberys = magnificent brassa = greater
Cornish (Kernewek)	bras [bra:z] = big, bulky, large braslavar = boast, threat brasoberys = magnificent brassa = bigger, major braster = bulk, size brastereth = majesty brastir = continent
Middle Breton (Brezonec)	bras, braz = big, large, deep, important, strong brassaat, braçzaat, braçzeët, brasat = to grow, increase, put on weight, swell, extend, enlarge brasadur = extension, enlargement brasentez, brazentez = size, pride
Breton (Brezhoneg)	bras [bʁaz] = big, huge, important brazentez = size, magnitude, greatness

Etymology: from Proto-Indo-European *gʷrod-to- from *gʷred- from *gʰer- (to rub, stroke, grind, remove) [source].

Words from the same PIE root include gros (big, thick, fat, coarse, rough) in French, gross in English, and grosso (big, large, fat, thick, heavy, rough) in Italian [source].

Words marked with a * are reconstructions.

Sources: Wiktionary, Am Faclair Beag, Online Manx Dictionary, Teanglann.ie, eDIL – Electronic Dictionary of the Irish Language, In Dúil Bélrai English – Old Irish glossary, Geiriadur Prifysgol Cymru, Gerlyver Kernewek, Gerlyvyr Cernewec, Lexicon Cornu-britannicum: A Dictionary of the Ancient Celtic Language of Cornwall, Dictionaire Favereau, TermOfis, Le dictionnaire diachronique du breton, Geriafurch, English – ProtoCeltic WordList (PDF), Etymological Dictionary Of Proto Celtic

Celtiadur

Exploring connections between Celtic languages

Category: Greek (ελληνικά)

Nights

Teary Drops

Roots

Halves and Sides

Rawness

Strength

Oak (trees)

Streets

Big, Large & Great