ὑφαίρ-εσις · hyphair-esis — LSJ
taking away from under
taking away from under, ἰγνυῶν ὑ., in wrestling, Sopat. ap. Sch.T. Il. 23.729.
2 purloining, pilfering
purloining, pilfering, τοῦ γραμματείου from the clerks’ office, Test. ap. D. 45.61; ζεύγους χεροψελίων ὑ. ποιεῖσθαι PSI 10.1128.23 (iii A. D.), cf. Mitteis Chr. 372 ii 8, iii 5 (ii A. D.).
3 subtraction, reduction
subtraction, ἑνός Ph. 1.574; reduction, τοῦ μεγέθους Diog.Oen. 39; οἴνου καὶ τροφῆς Sor. 1.46.
II moderation, mitigation
ὑφαίρεσιν ποιεῖσθαι τῶν ὑποκειμένων to undertake the moderation or mitigation of . . , Plb. 15.8.13.
III omission
in Gramm., omission of a letter, Sch. Ar. Av. 149, EM 389.6: opp. συγκοπή (which involves loss of a syllable), Hdn.Gr. 2.247.