Post this at /r/etymology , you may get more answers

This question is currently attracting a number of speculative, vague, or otherwise poor answers--all of which have been deleted. Please remember that this is AskHistorians, where answers are expected to be in-depth, contextualized, and able to be backed up with sources upon request.

Half-remembered facts, one-liners referencing books, and your best guess do not meet this standard. Nor can the movie The Revenant stand in for historical research.

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