D defs.my
Entry 3 senses Webster, 1913

Whither

/wĭthʹər/ · Whith·er · IPA /ˈwɪðəɹ/
01 adv. To what place; -- used interrogatively; as, whither goest thou?
  1. 1.
    To what place; -- used interrogatively; as, whither goest thou?
    “Sir Valentine, whither away so fast?” Shak.
  2. 2.
    To what or which place; -- used relatively.
    “That no man should know . . . whither that he went.” Chaucer.
    “We came unto the land whither thou sentest us.” — Num. xiii. 27.
  3. 3.
    To what point, degree, end, conclusion, or design; whereunto; whereto; -- used in a sense not physical.
    “Nor have I . . . whither to appeal.” Milton.
Phrases & compounds
Any whither — to any place; anywhere.
No whither — to no place; nowhere.
Syn. Where.
-- Whither, Where. Whither properly implies motion to place, and where rest in a place. Whither is now, however, to a great extent, obsolete, except in poetry, or in compositions of a grave and serious character and in language where precision is required. Where has taken its place, as in the question, “Where are you going?”