Wheth″er (?), pron. [OE. whether, AS. hwæ�er; akin to OS. hwe�ar, OFries. hweder, OHG. hwedar, wedar, G. weder, conj., neither, Icel. hvārr whether, Goth. hwa�ar, Lith. katras, L. uter, Gr. �, �, Skr. katara, from the interrogatively pronoun, in AS. hwā who. ����. See Who, and cf. Either, Neither, Or, conj.] Which (of two); which one (of two); — used interrogatively and relatively.
Now choose yourself whether that you liketh. Chaucer.
One day in doubt I cast for to compare
Whether in beauties' glory did exceed. Spenser.
Whether of them twain did the will of his father? Matt. xxi. 31.