Answer:

whence

AnswerCrossword Clue
WHENCEFrom what source
WHENCEWherefore
WHENCEFrom what place
WHENCEFrom what origin
WHENCEFrom where
WHENCE".. and what art thou": Milton
WHENCEFrom where?
WHENCEWherefore.
WHENCEBy reason of which
WHENCEFrom what place?
WHENCEWord often redundantly preceded by "from"
WHENCEFrom what place or origin