sferzare

Etymology
, but possibly.

Verb

 * 1) to whip or lash
 * 2)  to strike or hit violently
 * 3)  to criticize harshly
 * 4)  to stimulate; to spur
 * 1)  to criticize harshly
 * 2)  to stimulate; to spur
 * 1)  to stimulate; to spur
 * 1)  to stimulate; to spur