ἀγονία
From LSJ
Τούτῳ τῷ λόγῳ χρήσαιτο ἄν τις ἐπ' ἐκείνων τῶν ἀνθρώπων οἳ παραδόξως ἀλαζονεύονται, μηδὲ τὰ κοινὰ τοῖς ἀνθρώποις ἐπιτελεῖν δυνάμενοι → One would use this fable for those who give themselves unreasonable airs, but can't handle everyday life (Aesop 40)
English (LSJ)
ἡ,
A sterility, Arist. GA746b20, Dsc.2.179, Plu.Rom.24(pl.); opp. εὐγονία, Iamb.Comm. Math.15.
German (Pape)
[Seite 19] ἡ, Unfruchtbarkeit, Plut. Rom. 24 u. A.