Breton bleuñv

← Proto-Celtic *blātus (inherited)

← Welsh blodyn (cognate)

← Irish bláth (cognate)

← Proto-Indo-European *bʰleh₃- (derived)

← Cornish bleujen (cognate)

← Old Breton bloduu (inherited)

← Middle Breton bleuzff (inherited)

→ Welsh blodyn (cognate)

→ Cornish bleujen (cognate)