unwinds

Any mechanism or operation that unwinds something.

To separate (something that is wound up)

“Could you unwind about a foot of ribbon so I can finish the package?”

To disentangle

To relax; to chill out; to rest and relieve of stress

“After work, I like to unwind by smoking a pipe while reading the paper.”

To be or become unwound; to be capable of being unwound or untwisted.

To undo something.

To analyse (a call stack) so as to generate a stack trace etc.