ἀληθηΐη

From LSJ

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

Source

Russian (Dvoretsky)

ἀληθηΐη: ἡ эп.-ион. = ἀλήθεια.

German (Pape)

ion. = ἀλήθεια.