κοινοδίκιον
From LSJ
ἀναμαρτήτως ζῆν καὶ τοῖς ἄλλοις ἀλύπως → live in a manner above reproach and without offence to others
English (LSJ)
[δῐ], τό,
A common court in which matters in dispute between different cities were settled, GDI5040.58 (Hierapytna); τῶν Κρηταιέων IG12(3).254 (Anaphe); to be read for -δίκαιον, Plb. 22.15.4. 2 in Egypt, court for disputes between Greeks and Egyptians, PMagd.21.12, 23.9 (iii B.C., abbrev.).
Greek (Liddell-Scott)
κοινοδίκιον: τό, κοινὸν δικαστήριον, ἐν ᾧ φιλονικίαι μεταξὺ διαφόρων πόλεων ἐδικάζοντο καὶ διηυθετοῦντο, Ἐπιγρ. Κρήτης ἐν Συλλ. Ἐπιγρ. 2556. 58, ὅθεν διορθωτέον (ἀντὶ -δίκαιον) ἐν Πολυβ. 23. 15, 4.