From any place or direction; from an unspecified location; an archaic or dialectal term parallel to 'anywhere'.
From 'any' (Old English 'ænig') + 'whence' (from Old English 'hwanan,' meaning from what place); archaic formation following Middle English directional patterns.
Whence' literally means 'from where'—so 'anywhence' means 'from anywhere'—but we've abandoned these directional adverbs, keeping only 'where,' 'there,' and 'here' in modern speech.
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