Breton goañv

← Proto-Celtic *gyemis (inherited)

← Welsh gaeaf (cognate)

← Proto-Indo-European *ǵʰyem- (derived)

← Cornish gwav (cognate)

← Latin hiems (cognate)

← Old Breton guoiam (inherited)

← Old Breton guiam (mention)

← Old Irish gam (cognate)

← Middle Breton gouaff (inherited)

→ Breton goañvoù (suffix)

→ Welsh gaeaf (cognate)

→ Cornish gwâv (cognate)

→ Cornish gwav (cognate)