unravel

To cause (something) to no longer be ravelled or tangled; to disentangle, to untangle.

Mother couldn’t unravel the ball of wool after the cat had played with it.

[S]he taking as the watchword of his true patience, vnraueld the bottome [i.e., ball of thread] of her frailtie at length, […]

To separate the threads of (something knitted or woven, such as clothing or fabric).

Stop playing with the seam of the tablecloth! You’ll unravel it.

[B]e not like her who unravelleth into strands the thread which she had strongly spun, by taking your oaths with mutual perfidy.

To separate the connected or united parts of (something); to throw (something) into disorder; to confound, to confuse, to disintegrate.

to unravel the broad consensus which was created

to unravel the compromise achieved in the treaty

To clear (something) from complication or difficulty; to investigate and solve (a mystery, a problem, etc.); to disentangle, to unfold, to work out.

to unravel the confusion    to unravel a plot

You muſt unravell agen, and make your vvife / Beleeve you did but try her.

To reverse or undo (something); to annul, to negate.

For everie time thou admitſt mee after, to thy / Pillovv, I'le ſtrike of an hundred pound, / Till all the debts be unravel'd: […]

O thou cruel Son of an / Inhumane Father! all my deſigns are ruin'd / And unravell'd by this blovv. / No pleaſure novv is left in me but Revenge.