расплести

Verb

 * 1) to untwine, to untwist, to unweave, to undo, to unbraid, to unplait

Etymology
From.

Verb

 * 1)  to undo tresses
 * 2)  to unravel, disentangle
 * 3)  to untwist
 * 4)  to unknit
 * 5)  to tease
 * 6)  to become undone or unravelled