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word-forming element from Latin adverb and preposition super "above, over, on the top (of), beyond, besides, in addition to," from PIE *uper "over" (cf. Sanskrit upari, Avestan upairi "over, above, beyond," Greek hyper, Old English ofer "over," Gothic ufaro "over, across," Gaulish ver-, Old Irish for), comparative of root *upo "under."
Above; over; upon: superstructure.
Superior in size, quality, number, or degree: supersonic.
Exceeding a norm: supersaturate.
Excessive in degree or intensity: superexcitation.
Containing a specified ingredient in an unusually high proportion: superoxide.