Xanthippe

also (incorrectly) Xantippe, late 16c., spouse of Socrates (5c. B.C.E.), the prototype of the quarrelsome, nagging wife. The name is related to the masc. proper name Xanthippos, a compound of xanthos "yellow" (see xantho-) + hippos "horse" (from PIE root *ekwo- "horse").