UNWIND
relax, unstrain, unlax, loosen up, unwind, make relaxed
(verb) cause to feel relaxed; “A hot bath always relaxes me”
relax, loosen up, unbend, unwind, decompress, slow down
(verb) become less tense, rest, or take one’s ease; “He relaxed in the hot tub”; “Let’s all relax after a hard day’s work”
unwind, wind off, unroll
(verb) reverse the winding or twisting of; “unwind a ball of yarn”
unwind, disentangle
(verb) separate the tangles of
Source: WordNet® 3.1
Etymology
Verb
unwind (third-person singular simple present unwinds, present participle unwinding, simple past and past participle unwound)
(transitive) To separate (something that is wound up)
Synonyms: untwist, untwine
(transitive, obsolete) To disentangle
(intransitive, slang) To relax; to chill out; to rest and relieve of stress
(intransitive) To be or become unwound; to be capable of being unwound or untwisted.
(transitive, finance) To undo something.
(transitive, programming) To analyse (a call stack) so as to generate a stack trace etc.
Noun
unwind (plural unwinds)
Any mechanism or operation that unwinds something.
Source: Wiktionary
Un*wind", v. t. Etym: [AS. unwindan. See 1st Un-, and Wind to coil.]
1. To wind off; to loose or separate, as what or convolved; to
untwist; to untwine; as, to unwind thread; to unwind a ball of yarn.
2. To disentangle. [Obs.] Hooker.
Un*wind", v. i.
Definition: To be or become unwound; to be capable of being unwound or
untwisted.
Source: Webster’s Unabridged Dictionary 1913 Edition