παριππεύειν

From LSJ

τὸ γὰρ εὖ πράττειν παρὰ τὴν ἀξίαν ἀφορμὴ τοῦ κακῶς φρονεῖν τοῖς ἀνοήτοις γίγνεται → undeserved success engenders folly in unbalanced minds

Source

Greek > English (Woodhouse Verbs Reversed)

(see also παριππεύω): ride along

Lexicon Thucydideum

adequitare, to ride up, 7.78.3, 7.78.6.