Words for hearing, fame renown and related things in Celtic languages.

Words marked with a * are reconstructions.

Proto-Celtic	*klowos = hearing, fame, renown
Old Irish (Goídelc)	clú [kluː] = fame
Middle Irish (Gaoidhealg)	clú, clúu, clū = good repute, reputation, fame, good name, rumour, sound clúach = famous, famed, renowned, celebrated clúitech = famous, renowned clúmar = famous, renowned clúugud = act of singing the praises of, glorifying
Irish (Gaeilge)	clú [klˠuː] = reputation, honour, renown clúiteach = of good repute, honoured, renowned
Scottish Gaelic (Gàidhlig)	cliù [kluː] = reputation, repute, fame, renown, prestige; credit; glory, praise cliùteach [kluːhdʲəx] = celebrated, famous, renowned, commendable, laudable cliùteachadh [kluːdʲəxəɣ] = celebrating, praising, lauding cliùteachd [kluːhdʲəxg] = celebrity, fame, renown cliùtich [kluːhdʲɪç] = celebrate, praise, laud cliùmhor [kluː(v)ər] = famous, renowned, prestigious
Middle Welsh (Kymraec)	clywet, clywit, keleuuet = to hear, listen, feel, smell, taste, hearing, earshot, report
Welsh (Cymraeg)	clyw [ˈklɨu̯ / ˈklɪu̯] = hearing, earshot clywaf, clywed = to hear, listen, feel, smell, taste, hearing, earshot, report
Middle Cornish (Cernewec)	clevet = the hearing clewas, clowas = to hear, perceive, feel, smell clowans = the hearing, an echo
Cornish (Kernewek)	klew [klɛˑʊ] = hearing klewansek = aesthetic klewell = hearing aid klewes = to feel, hear, perceive, sense, smell klewwelyek = audio-visual
Middle Breton (Brezonec)	cleuet, claeuet, cleufuet = hearing
Breton (Brezhoneg)	klev [klew/klef] = hearing klevedenn = hearsay kleved = hearing, hearsay klevigezh = to hear, feel klevijer = acoustic klevout = to hear

Etymology: from Proto-Indo-European *ḱléwos (fame), from *ḱlew- (to hear) [source]. Words from the same roots include clement, client, listen and loud in English,
luid (loud, sound, assertion) in Dutch, sláva (fame, glory) in Czech, and hljóður (quiet, silent) in Icelandic [source].

Some words for Ears in Celtic languages also come from the same PIE roots.

Proto-Celtic	*klutom = rumour, fame, reputation
Celtiberian	*kolouton = fame (?)
Gaulish	*kl(o)uton = fame (?)
Old Irish (Goídelc)	cloth [kluː] = fame, reputation
Middle Irish (Gaoidhealg)	cloth, clóth = report, rumour, tidings, fame, reputation, generosity
Irish (Gaeilge)	cloth [klˠuː] = report, rumour, fame, renown clothach = renowned clothaigh = to praise extol (literary)
Scottish Gaelic (Gàidhlig)	clòth† [klˠɔː] = victory, fame, praise, wind
Proto-Brythonic	*klod = praise, fame (?)
Middle Welsh (Kymraec)	clod, clot, klod = praise, fame, renown, reputation, honour, credit, famous, renowned clod ueith, clotueith = renowned, celebrated, famed
Welsh (Cymraeg)	clod [ˈklɨu̯ / ˈklɪu̯] = hearing, earshot clodach = vain praise, flattery clodadwy = laudable, commendable, praiseworthy clodaf, clodi = to fill with praise, to praise clodebus = eulogistic, commendatory clodfolaf, clodfoli = to praise, eulogize, laud, extol
Middle Cornish (Cernewec)	clos = glory, happiness, praise
Old Breton (Brethonoc)	clot = fame, glory
Middle Breton (Brezonec)	clot = fame, glory
Breton (Brezhoneg)	klod [kloːt] = fame, glory diglod = without glory

Etymology: from Proto-Indo-European *ḱlutós (famous) *ḱlew- (to hear) [source] – see above.

Manx words for fame include ard-ennym (eminence, fame, renown, title), ard-ghoo (fame, illustriousness, renown), and goo (voice, word, utterance, reputation, fame). Goo is cognate with guth (voice) in Irish and Scottish Gaelic.

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, Dictionaire Favereau, TermOfis