συνεγγισμός
From LSJ
νέῳ δὲ σιγᾶν μᾶλλον ἢ λαλεῖν πρέπει → it's fitting for a young man to keep silence rather than to speak (Menander)
English (LSJ)
ὁ,
A approach, nearness, of constellations, Str.3.5.9, Ptol.Geog.1.13.1, etc.; τῆς ἀποτέξεως Sor.1.66; πρὸς τὴν ἀρετήν Arr.Epict.1.4.8.
German (Pape)
[Seite 1009] ὁ, Annäherung; Strab. 3, 5, 9; Ggstz ἀπόστασις, S. Emp. pyrrh. 3, 66.