unpick

Meanings

1. To undo sewing stitches.
2. To undo knitting in order to reuse the wool.
3. To unravel or untangle the threads of a rope etc.
4. To unfold; to solve.
5. To disassemble, to undo.
6. To take apart; criticize harshly.
7. To deselect.

Etymology

From Middle English unpiken, equivalent to un- + pick.