ματαιολογία
From LSJ
χρὴ τῶν ἀγαθῶν διακναιομένων πενθεῖν ὅστις χρηστὸς ἀπ' ἀρχῆς νενόμισται → when a good man is hurt, all who would be called good must suffer with him | when good men are being dragged down, anyone with worthy credentials must feel their pain | when the noble are afflicted, those who all their lives have been deemed loyal must mourn
English (LSJ)
ἡ,
A idle talk, Diogenian.Epicur.2.16, 1 Ep.Ti.1.6, Plu.2.6f, Vett.Val.150.24 (pl.), al., Porph.Abst.4.16.
Greek (Liddell-Scott)
μᾰταιολογία: ἡ, τὸ ματαιολογεῖν, ματαία, ἀνόητος ὁμιλία, Πλούτ. 2. 6F, Πορφύρ. π. Ἀποχ. Ἐμψύχ. 4. 16.
French (Bailly abrégé)
ας (ἡ) :
vain ou sot langage, vain bavardage ; discours creux.
Étymologie: ματαιολόγος.