κακοτροπέω
From LSJ
Ἀναξαγόρας δύο ἔλεγε διδασκαλίας εἶναι θανάτου, τόν τε πρὸ τοῦ γενέσθαι χρόνον καὶ τὸν ὕπνον → Anaxagoras used to say that we have two teachers for death: the time before we were born and sleep | Anaxagoras said that there are two rehearsals for death: the time before being born and sleep
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.