Unwind

wiktionary

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From Middle English unwinden, from Old English unwindan(“to unwind; unwrap”), from Proto-Germanic *andawindaną(“to unwind”); equivalent to un- +‎ wind(“to coil”). Cognate with Dutch ontwinden(“to unwind”).

etymonline

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unwind (v.)

early 14c., "to undo" (a bandage, wrapping, etc.), from un- (2) "opposite of" + wind (v.1). Similar formation in Old English unwindan "unveil, uncover," Dutch ontwinden, Old High German intwindan. Reflexive sense is recorded from 1740; figurative sense of "to release oneself from tensions, to relax" is by 1938. Related: Unwound; unwinding.