zwalać

Etymology
From.

Verb

 * 1)  to pile up, to amass in one place
 * 2)  to knock off, to knock down
 * 3)  to knock over, to topple, to fell
 * 4)  to demolish, to raze
 * 5)  to burden, to lumber
 * 6)  to fall, to collapse, to topple