super-

comb. Form forming nouns, adjectives, and verbs, meaning: 1 above, beyond, or over (superstructure; supernormal). 2 to an extreme degree (superabundant). 3 extra good or large of its kind (supertanker). 4 of a higher kind (superintendent). [latin]

A prefix signifying above, over, beyond, and hence often denoting in a superior position, in excess, over and above, in addition, exceedingly; as in superimpose, supersede, supernatural, superabundance.