fulguratio
From LSJ
τὸ γὰρ εὖ πράττειν παρὰ τὴν ἀξίαν ἀφορμὴ τοῦ κακῶς φρονεῖν τοῖς ἀνοήτοις γίγνεται → undeserved success engenders folly in unbalanced minds
Latin > English (Lewis & Short)
fulgŭrātĭo: ōnis, f. fulguro,
I sheetlightning, lightning: fulguratio est late ignis explicitus: fulmen est coactus ignis et impetu jactus, Sen. Q. N. 2, 16; 2, 12; 21; 56.—In <number opt="n">plur.</number>: nubes mediocriter collisae fulgurationes faciunt: efficiunt majore impetu pulsae fulmina, Sen. Q. N. 1, 1, 5.