whence
adverb
[ wɛns ]
• from what place or source.
• "whence does Parliament derive this power?"
whence
adverb
• from which; from where.
• "the Ural mountains, whence the ore is procured"
Origin:
Middle English whennes, from earlier whenne (from Old English hwanon, of Germanic origin) + -s3 (later respelled -ce to denote the unvoiced sound).