abavia
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)
Latin > English (Lewis & Short)
ăb-ăvĭa: ae, f. avus, avia,
I mother of a great-grandfather, or of a great-grandmother, Dig. 38, 10, 1, § 6; 10, § 17.