εὐμεταβλησία
From LSJ
τὸ γὰρ εὖ πράττειν παρὰ τὴν ἀξίαν ἀφορμὴ τοῦ κακῶς φρονεῖν τοῖς ἀνοήτοις γίγνεται → undeserved success engenders folly in unbalanced minds
English (LSJ)
ἡ,
A changeableness, Sch.Th.3.37.
German (Pape)
[Seite 1080] ἡ, Leichtveränderlichkeit, Schol. Thuc. 3, 37.