Welsh barf

← Breton barv (cognate)

← Proto-Brythonic *barv (inherited)

← Proto-Indo-European *bʰardʰeh₂ (derived)

← Cornish barv (cognate)

← Latin barba (derived)

→ Breton barv (cognate)

→ Welsh barfog (compound)

→ Welsh barfau (affix)

→ Cornish barv (cognate)