Untwine
Untwine , transitive verb
[1st pref. un- + twine.]
To untwist; to separate, as that which is twined or twisted; to disentangle; to untie.
It requires a long and powerful counter sympathy in a nation to untwine the ties of custom which bind a people to the established and the old.
Untwine , intransitive verb
To become untwined. — Milton