Welsh gwneud

← Breton ober (cognate)

← Proto-Celtic *wregeti (inherited)

← Welsh gwneuthur (back-formation)

← Welsh gwnïo (mention)

← English work (cognate)

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

← Cornish gwul (cognate)

← Old Irish fairged (cognate)

← Middle Welsh gwneuthur (inherited)

← Middle Welsh (mention)

← Middle Welsh gwreith (mention)

← Middle Welsh goruc (mention)

→ Breton ober (cognate)

→ Welsh ymwneud (prefix)

→ Cornish gul (cognate)