εὐγονία
From LSJ
μὴ τὴν ὄψιν καλλωπίζου, ἀλλ' ἐν τοῖς ἐπιτηδεύμασιν ἴσθι καλός → Don't beautify your face, but be beautiful in your habits (Thales, in Diog. Laertius 1.37)
English (LSJ)
ἡ,
A fruitfulness, Pl.R.546a, X.Lac.1.6, Ph.2.390, etc.; opp. ἀγονία, Iamb. Comm. Math.15.
German (Pape)
[Seite 1060] ὴ, Fruchtbarkeit, Erzeugung guter oder schöner Kinder, Plat. Rep. VIII, 546 a; Xen. Lac. 1, 6; θρεμμάτων Plut. Rom. 24.
Greek (Liddell-Scott)
εὐγονία: ἡ, γονιμότης, εὐφορία, Πλάτ. Πολ. 546Α, Ξενοφ. Λακ. 1. 6.