enerdyi

Etymology
From, from , from , from , from , from +.

Noun

 * 1) the impetus behind all motion and all activity
 * 2) the capacity to do work
 * 3)  a quantity that denotes the ability to do work and is measured in a unit dimensioned in mass × distance²/time² (ML²/T²) or the equivalent
 * 4) enthusiasm; intensity of feeling; excited interest or eagerness