δίκασις
From LSJ
ἵνα οὖν μηδ' ἐν τούτῳ δῷ αὐτοῖς λαβήν (Photius, Fragments on the Epistle to the Romans 483.26) → so that he doesn't give them even here a handle (= an opportunity for refutation)
English (LSJ)
εως, ἡ,
A exercise of the function of a δικαστής, Sch.Ar.Pl.277.
German (Pape)
[Seite 628] ἡ, das Richten, Rechtsprechen, Schol. Ar. Plut. 277.