Proto-Indo-European root meaning "over."

It forms all or part of: hyper-; insuperable; over; over-; sirloin; somersault; soprano; soubrette; sovereign; sum; summit; super-; superable; superb; superior; supernal; supra-; supreme; sur-.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit upari, Avestan upairi "over, above, beyond;" Greek hyper, Latin super "above, over;" Old English ofer "over," German über, Gothic ufaro "over, across;" Gaulish ver-, Old Irish for.

Proto-Indo-European root meaning "under," also "up from under," hence "over."

It forms all or part of: above; assume; Aufklarung; eave; eavesdropper; hyphen; hypo-; hypochondria; hypocrisy; hypotenuse; hypothalamus; hypothesis; hypsi-; hypso-; opal; open; oft; often; resuscitate; somber; souffle; source; soutane; souvenir; sub-; subject; sublime; subpoena; substance; subterfuge; subtle; suburb; succeed; succinct; succor; succubus; succumb; sudden; suffer; sufficient; suffix; suffrage; suggestion; summon; supine; supple; supply; support; suppose; surge; suspect; suspend; sustain; up; up-; Upanishad; uproar; valet; varlet; vassal.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit upa "near, under, up to, on," Greek hypo "under," Latin sub "under, below," Gothic iup, Old Norse, Old English upp "up, upward," Hittite up-zi "rises."