ἀποτυφλόω
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 make quite blind, τινά Arist.Mir.845a23; τὴν ὅρασιν D.S.3.37: metaph. of anger, Phld.Ir.p.68 W.:—Pass., to be blinded, Arist.HA602a2, 618b7; τῶν ὄψεων Porph.Abst.1.17: metaph., χρήμασι πολλοῖς ὑπό τινων J.AJ20.6.1. 2 metaph., cut out the bud of a tree, Plu.2.529b. 3 make a spring fail, ib.703b:—Pass., to be obstructed, ἀποτυφλωθῆναι τοὺς πόρους Arist.Pr.879b7; τὰς πηγάς Str. 1.3.16; τὸν μαστόν Antig.Mir.45; τὰ ἀγγεῖα Aët.16.26.