contrecoup

Etymology
Borrowed from, from  +  a blow.

Noun

 * 1)  A bruising of the brain caused by a blow, appearing on the opposite side to that on which the blow was struck.

Etymology
From

Noun

 * 1) backlash; recoil
 * 2)  aftermath, aftereffect, repercussion, consequence
 * 1)  aftermath, aftereffect, repercussion, consequence