κόπασμα
From LSJ
Μισῶ γε μέντοι χὤταν ἐν κακοῖσί τις ἁλοὺς ἔπειτα τοῦτο καλλύνειν θέλῃ → I hate it when someone is caught in the midst of their evil deeds and tries to gloss over them
English (LSJ)
ατος, τό,
A abatement, of a flood, Tz.H.6.833 (pl.).
German (Pape)
[Seite 1482] τό, das Nachlassen, erst Sp.