κακοτροπέω
From LSJ
τους φίλους λόγων τέχναιν επαίδευσας → Using 2 artifices, you educated (taught) those who love rhetoric.
English (LSJ)
become malignant, of ulcers, Hp.Mul.1.38.
German (Pape)
[Seite 1304] von schlechtem Charakter sein, tückisch handeln, Hippocr.
Greek (Liddell-Scott)
κακοτροπέω: φέρομαι κακοτρόπως, δυστροπῶ, ἐθελοκακῶ, Ἱππ. 606. 31.