adv.
Pronunciation: ' hwi- th ə r, ' wi-
Function: adverb
Etymology: Middle English, from Old English hwider; akin to Latin quis who and to Old English hi der hither ― more at WHO , HITHER
Date: before 12th century
1 : to what place < whither will they go>
2 : to what situation, position, degree, or end < whither will this abuse drive him>