unpile

[ uhn-pahyl ]
/ ʌnˈpaɪl /

verb (used with object), un·piled, un·pil·ing.

to disentangle or remove from a piled condition: to unpile boxes.

verb (used without object), un·piled, un·pil·ing.

to become removed or separated from a piled condition: The football players unpiled after each play.

Origin of unpile

First recorded in 1605–15; un-2 + pile1