Welsh cryf

← Breton kreñv (cognate)

← Proto-Brythonic *krɨβ̃ (inherited)

← Proto-Celtic *kriɸmos (inherited)

← Welsh corff (mention)

← Proto-Indo-European *krep- (root)

← Proto-Indo-European *krep- (mention)

← Cornish krev (cognate)

← Latin - (cognate)

← Middle Welsh cryf (inherited)

→ Breton kreñv (cognate)

→ Welsh corff (mention)

→ Welsh cryfder (affix)

→ Welsh cryfhau (affix)

→ Cornish krev (cognate)