Proto-Celtic *uɸo-

→ English Vosges (derived)

→ Welsh go (inherited)

→ Welsh diogel (inherited)

→ Welsh go- (inherited)

→ Welsh gwahân (inherited)

→ Welsh gweini (mention)

→ Irish fómhar (mention)

→ Irish fo- (derived)

→ Irish fógra (derived)

→ Irish turgnamh (mention)

→ Galician Bama (derived)

→ Galician Bamio (derived)

→ Old Irish fo- (inherited)

→ Old Irish focren (mention)

→ Old Irish fogur (mention)