Words for split, cleft, slit and related things in Celtic languages.

Words marked with a * are reconstructions.
| Proto-Celtic | *skotlā = fissure, cleft |
|---|---|
| Old Irish (Goídelc) | scoiltid = to split, to cleave |
| Middle Irish (Gaoidhealg) | scoiltid, scoltaid, sgoltadh, sgaltadh = to split, to cleave, to divide scoltad, sgoltadh, sgaltadh = act of splitting, cleaving, dividing scoiltén = piece, fragment |
| Irish (Gaeilge) | scoilt = split, crack, cleavagte, fissure, parting, rupture, crease scoilt(eadh) = to split, break apart, crack, cleave, part, divide scoilteach = splitting, tending to burst scoilteacht = cleavage scoilteadh = fission, scission scoilteán = (small) crack, fissure, cleft object, cleft stick scoilteoir = (person) splitter, slitter, cleaver |
| Scottish Gaelic (Gàidhlig) | sgolt [sgɔLd] = split, slit, cleft, rent sgoilt [sgɔldʲ] = (to) split, cleave, slit, crack sgoilte [sgɔldʲə] = split, cloven, cleaved, split, cracked sgoilteadh [sgɔldʲəɣ] = (act of) splitting, split, cleaving, slitting, cracking sgoiltear = splitter |
| Manx (Gaelg) | skeilt = split, cleft, splintered scolt = rent skeiltey = to split, rend, splinter, splintering, splitting scoltey = to split, cleave, hew, chop up, rend, slit, burst; fault, crevasse, cleft, crack, fissure skeilteyder = splitter, render scolteyder = splitter, chopper, gutter, cleaver, hewer, nutcracker scoltit = split, chopped, cloven parted, gutted, hewn, burst, slit, cleft |
| Middle Welsh (Kymraec) | hollt = cleft, cleavage, fissure, rift, fault, crack, crevice, slit, split, splinter holli, hyllt = to split, cleave, slit, divide, open, break, rend, sever holldedic = split, cleft, cloven, forked |
| Welsh (Cymraeg) | hollt = cleft, cleavage, fissure, rift, fault, crack, crevice, slit, split, splinter holltadwy = fissile holl(t)af, holl(t)i = to split, cleave, slit, divide, open, break, rend, sever hollt(i)edig = split, cleft, cloven, forked hollt(i)ad = a splitting, cutting, dividing, slitting |
| Cornish (Kernewek) | fols = cleft, fissure, rift, split folsa, folja = to split folsans, foljans = splitting |
| Middle Breton (Brezonec) | faout, faut, faoüt = slot feutiff = to split, to crack open |
| Breton (Brezhoneg) | faout [ˈfɔwt] = split, slot faoutadeg = splitting faoutadur = crack faoutañ [ˈfɔwtã] = to split, to crack open faouter = splitter |
Etymology: from Proto-Indo-European *(s)pelH- (to cut separate) [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
