φρενοκλοπέω
From LSJ
ὅτι τίς ὁ ἄνθρωπος, ὃς ἐπελεύσεται ὀπίσω τῆς βουλῆς τὰ ὅσα ἐποίησεν αὐτήν; (Ecclesiastes 2:12, LXX version) → for who is the man who, after following his own plan, will find wisdom (in) everything he has done?
English (LSJ)
A steal the understanding, deceive, Hsch.
German (Pape)
[Seite 1304] den Verstand rauben, dah. betrügen, täuschen, Hesych.