Толковый словарь английского языка - whence

I. adverb Etymology: Middle English whennes, from whenne ~ (from Old English hwanon) + -s, adverb suffix, from -s, genitivesingular ending; akin to Old High German hwanān ~, Old English hwā who Date: 13th century from what place, source, or cause , II. conjunction Date: 13th century from what place, source, or cause , 2. from or out of which place, source, or cause , by reason of which fact ; wherefore