συναίρεσις

English (LSJ)

εως, ἡ,

   A taking or drawing together, ἡ τῶν ἄκρων εἰς ταὐτὸ σ. Longin.10.3; ς. (sc. καρπῶν) Ath.11.489f; contraction, closing, τῶν διοδευθησομένων Χωρίων Sor.2.59.    2 contraction of front, opp. αὔξησις, Ascl.Tact. 11.7; shortening, reduction of an estimated distance, Ptol.Geog.1.8.3; τοῦ μήκους (of a fractured limb) Sor.Fract.19 (συνερεισις cod.).    3 aggregation, Dam.Pr.96; synthesis, ib.277,280; concentration, τῆς νοερᾶς οὐσίας Simp. in Ph.635.32; generalization, opp. διαίρεσις, Elias in Porph.76.19.    4 in Gramm., synaeresis, whereby two vowels are not changed, but coalesce into a diphthong, as ὀϊστός, οἰστός, opp. διαίρεσις, Quint.Inst.1.5.17, A.D.Adv.132.25; but also contraction, as of κύημα to κῦμα, Gal.6.642.

German (Pape)

[Seite 997] ἡ, das Zusammennehmen. Bei Gramm. die Zusammenziehung zweier Vokale in einen Diphthong, eigtl. dann, wenn sie keine Veränderung erleiden; aber auch allgemein z.B. εα in η, Schol. Ar. Ach. 10.