Pronunciation : Whom
Part of Speech : pron.
Etymology : [OE. wham, AS. dative hwam, hw. See Who.]
Definition : Defn: The objective case of who. See Who.
Note: In Old English, whom was also commonly used as a dative. Cf. Him. And every grass that groweth upon root She shall eke know, and whom it will do boot. Chaucer.
Source : Webster's Unabridged Dictionary, 1913