Word Origin & History
whoO.E. hwa, from P.Gmc. *khwas, *khwes, *khwo (cf. O.S. hwe, Dan. hvo, Swed. vem, O.Fris. hwa, Du. wie, O.H.G. hwer, Ger. wer, Goth. hvo (fem.) "who"), from PIE *qwos/*qwes (cf. Skt. kah "who, which," Avestan ko, Hittite kuish "who," L. qui, quae, quod "who, which, what," Lith. kas "who," O.C.S. kuto,
Rus. kto "who," O.Ir. ce, Welsh pwy "who").
whomO.E. hwam, the dative form of hwa (see
who).