ἔλλειψις
ὄρνιθι γὰρ καὶ τὴν τότ᾽ αἰσίῳ τύχην παρέσχες ἡμῖν → for it was by a good omen that you provided that past fortune to us
English (LSJ)
εως, ἡ,
A falling short, defect, opp. ὑπερβολή, Democr. 102, Pl.Prt.356a; opp. ὑπεροχή, Arist.Ph.187a17, Metaph.1042b25; ὑπερβολὴ καὶ ἔ. καὶ τὸ μέσον Id.EN1106b17. 2 the conic section ellipse, Apollon.Perg.Con.1.13 (so called because the square on the ordinate is equal to a rectangle with height equal to the abscissa and applied to the parameter, but falling short of it). 3 ἐν ἐλλείψεσιν ἐνυπάρχειν to be present in deficiency, of the negative terms in an algebraical expression, Dioph.1Praef.p.14 T. 4 Gramm., ellipse, Ath. 14.644a, A.D.Synt.117.19; omission of a letter, Id.Pron.56.28. 5 = ἔκλειψις, Olymp.in Mete.67.37 (s.v.l.). 6 Pythag.name for two, Theol.Ar.10.