Word Origin & History
udder
O.E. udder "milk gland of a cow, goat, etc.," from P.Gmc. *udr- (cf. O.Fris., M.Du. uder, O.H.G. utar, Ger. Euter, and, with unexplained change of consonant, O.N. jugr), from PIE *udhr- (cf. Skt. udhar, Gk. outhar, L. uber "udder").