unclew

verb2

1. •
   (no longer used) To unwind, unfold, unravel or untie.

   • unclewing ropes and disentangling knots — 1830
2. •
   (figurative, no longer used) To undo; to ruin.

   • If I should pay you for't as 'tis extoll'd, It would unclew me quite — 1605