1. whence - Adverb
2. whence - Conjunction
From what place; hence, from what or which source, origin, antecedent, premise, or the like; how; -- used interrogatively.
From what or which place, source, material, cause, etc.; the place, source, etc., from which; -- used relatively.
Source: Webster's dictionaryThe disciples worshipped the most high Lord Who had come down from heaven, made the earth into heaven and gone up again whence He came, having united things below with things above and formed one Church, at the same time heavenly and earthly, to the glory of His love for mankind. Gregory Palamas
The gods had condemned Sisyphus to ceaselessly rolling a rock to the top of a mountain, whence the stone would fall back of its own weight. They had thought with some reason that there is no more dreadful punishment than futile and hopeless labor. Albert Camus
If the people are happy, united, wealthy, and powerful, we presume the rest. We conclude that to be good from whence good is derived. Edmund Burke
Thinking of where you are going, you forget from whence you came. Portuguese Proverb
Having is haying, come whence it may. German Proverb
Gain has a pleasant odor, come whence it will. Portuguese Proverb