Words for clean in Celtic languages.
| Proto-Celtic | *glanos = clean, clear |
|---|---|
| Old Irish (Goídelc) | glan [ɡlan] = clear, pure, clear |
| Irish (Gaeilge) | glan [ɡlˠanˠ] = clean, clear, pure, bright, well-made, distinct; complete, extact |
| Scottish Gaelic (Gàidhlig) | glan [gl̪ˠan] = clean, pure, bright, sheer, downright, great, grand, grovy |
| Manx (Gaelg) | glen = clean, fair, fresh-coloured, clear, pure, chaste, hygienic, sheer, emphatic, downright, peremptory, flat (refusal), cloudless, undefiled, clearcut, unclouded |
| Proto-Brythonic | *glan [ˈɡlan] = clean, clear |
| Middle Welsh (Kymraec) | glan = clean, clear |
| Welsh (Cymraeg) | glân [glan] = clean, cleansed, neat; clear of sin, pure, good, virtuous, uncorrupted, undefiled, fair, honest, sincere; holy; fair of countenance, beautiful, handsome; complete, clean, utter, entire |
| Cornish (Kernewek) | glan = clear, clean, pure |
| Old Breton | glan = pure |
| Middle Breton | glan = pure |
| Breton (Brezhoneg) | glan = pure |
Etymology: possibly from the Proto-Indo-European *ǵʰl̥h₃-nó-s, *ǵʰelh₃- (green, yellow) [Source].
Words marked with a * are reconstructions.
Sources: Wiktionary, , Am Faclair Beag, MacBain’s Dictionary, In Dúil Bélrai English – Old-Irish Glossary, teanglann.ie, On-Line Manx Dictionary, Geiriadur Prifysgol Cymru, Gerlyver Kernewek, Dictionnaire Favereau