Words that come from Proto-Celtic -os

27 words across 8 languages descend from Proto-Celtic -os — including Aber, Aberystwyth, aber, adberos, aber, aber, Aberteifi, Aberystwyth.

See the etymology of -os itself →

Welsh (11)

English (7)

Irish (3)

Proto-Celtic (2)

Breton (1)

French (1)

Proto-Brythonic (1)

Cornish (1)