Irish geimhreadh

← Proto-Celtic *giamur (inherited)

← Proto-Indo-European *ǵʰey- (root)

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

← Old Irish gemred (inherited)

→ Welsh gaeaf (cognate)

→ Irish fómhar (mention)

→ Cornish gwâv (cognate)

→ Cornish gwav (cognate)