πονήρευμα
From LSJ
βωμὸν Ἀριστοτέλης ἱδρύσατο τόνδε Πλάτωνος, ἀνδρὸς ὃν οὐδ' αἰνεῖν τοῖσι κακοῖσι θέμις → Aristotle had this altar of Plato set up — Plato, a man whom the wicked dare not even mention in praise
English (LSJ)
ατος, τό, in pl.,
A villainies, D.19.257, D.H.6.84: sg., Jul.Or.3.115a. II Medic., in sg., bad state or condition, Gal.19.138.
German (Pape)
[Seite 680] τό, böse Handlung; Dem. 25, 60; D. Hal. 6, 84.