blwyddyn

Welsh

Etymology

From Old Welsh bloidin, from Proto-Celtic *blēdanī (compare Cornish blydhen, Breton blizen, Old Irish blíadain), from *blēdon (compare Welsh blwydd (“age; year(s) old”)).

Noun

blwyddyn f (plural blynyddoedd or blwydd)

1. year

Derived terms

• blwyddyn newydd dda (“happy new year”)

Mutation

Welsh mutation
radical	soft	nasal	aspirate
blwyddyn	flwyddyn	mlwyddyn	unchanged
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.