ἐγκρατέω
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)
A to be master of, exercise control over, τῶ ἀλόγω Metop. ap. Stob.3.1.115, cf. LXX Ex.9.2.
German (Pape)
[Seite 710] Etwas in seiner Gewalt haben, τινός, Metop. Stob. fl. 1, 64.