Welsh dy-

← Proto-Celtic *dus- (inherited)

← Proto-Celtic *do- (inherited)

← Proto-Indo-European *dus- (inherited)

← Proto-Indo-European *do (inherited)

→ English dudgeon (mention)

→ Welsh dar- (compound)

→ Welsh dod (affix)

→ Welsh dodi (prefix)

→ Welsh dangos (compound)

→ Welsh deall (affix)

→ Welsh dychwelyd (compound)

→ Welsh dylanwad (prefix)

→ Welsh cytûn (prefix)

→ Welsh dychryn (affix)

→ Welsh dam- (compound)

→ Welsh dym- (compound)