prosthesis
From LSJ
τὸ γὰρ εὖ πράττειν παρὰ τὴν ἀξίαν ἀφορμὴ τοῦ κακῶς φρονεῖν τοῖς ἀνοήτοις γίγνεται → undeserved success engenders folly in unbalanced minds
τὸ γὰρ εὖ πράττειν παρὰ τὴν ἀξίαν ἀφορμὴ τοῦ κακῶς φρονεῖν τοῖς ἀνοήτοις γίγνεται → undeserved success engenders folly in unbalanced minds
prosthĕsis: is, f., = πρόσθεσις>, and prŏthĕsis, is, f., = πρόθεσις>,
I a grammatical figure consisting in the prefixing of a letter or syllable to a word, prosthesis; as gnatus for natus, tetuli for tuli, Charis. 4; Diom. 2.