untwist
Un*twist", v. t. Etym: [1st pref. un- + twist.] 1. To separate and open, as twisted threads; to turn back, as that which is twisted; to untwine. If one of the twines of the twist do untwist, The twine that untwisteth, untwisteth the twist. Wallis. 2. To untie; to open; to disentangle. Milton.