Cànan: Sengoídelc
Facal: bliadain   Gram: nf
Gluas: year
Fios: From Proto-Celtic *blēdanī (“year”), possibly from Proto-Indo-European *bʰleyd- (“pale”), though the semantic connection is weak. See also Lithuanian blaĩvas (“whitish, blue, sober”), Proto-West Germanic *blait, Albanian blehurë. --Wikt