εἰρηνοδίκαι
From LSJ
τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
English (LSJ)
[ῐ], ῶν, οἱ, = Lat. Fetiales, D.H.2.72, al.: sg., ib.15.9, App.Sam.5.
German (Pape)
[Seite 735] οἱ, Friedensentscheider, die röm. fetiales, D. Hal. 2, 72.
Greek (Liddell-Scott)
εἰρηνοδίκαι: ῐ, ῶν, οἱ, οἱ παρὰ Ρωμαίοις Fetiales, Διον. Ἁλ. 2. 72.