impulsion

Etymology
From, from , from.

Noun

 * 1) The act of impelling or driving onward, or the state of being impelled; the sudden or momentary agency of a body in motion on another body; also, the impelling force, or impulse.
 * 2) Influence acting unexpectedly or temporarily on the mind; sudden motive or influence; impulse.
 * 1) Influence acting unexpectedly or temporarily on the mind; sudden motive or influence; impulse.

Etymology
.

Noun

 * 1) impulse
 * , drive, impetus
 * 1)  electric pulse, momentum