detach

Etymology

From Old French destachier, from the same root as attach; compare French détacher and Portuguese and Spanish destacar.

verb

1. (transitive) To take apart from; to take off.
   to detach the tag from a newly purchased garment
2. (transitive, military) To separate for a special object or use.
   to detach a ship from a fleet, or a company from a regiment
3. (intransitive) To come off something.
   Now that the zipper has detached, my winter coat won't keep me very warm.