δυσώπημα
From LSJ
βορβόρῳ δ' ὕδωρ λαμπρὸν μιαίνων οὔποθ' εὑρήσεις ποτόν → once limpid waters are stained with mud, you'll never find a drink
English (LSJ)
ατος, τό,
A a means of making one ashamed, and so, a corrective, τῶν ἡμαρτημένων J.BJ1.25.5, cf. D.Chr.Fr.8.
German (Pape)
[Seite 692] τό-das Beschämende, Reue Verursachende, Ios. B. Iud. 1, 25.