Whence

1. From what place; hence, from what or which source, origin, antecedent, premise, or the like; how; -- used interrogatively.
2. From what or which place, source, material, cause, etc.; the place, source, etc., from which; -- used relatively.

All the words of this class, whence, where, whither, whereabouts, etc., are occasionally used as pronouns by a harsh construction. 1913 Webster O, how unlike the place from whence they fell? Milton.

From whence, though a pleonasm, is fully authorized by the use of good writers. 1913 Webster From whence come wars and fightings among you? James iv. 1. 1913 Webster Of whence, also a pleonasm, has become obsolete.