ξενική

From LSJ

μήτε δίκην δικάσῃς πρίν ἀμφοῖν μῦθον ἀκούσῃς → do not give your judgement until you have heard a speech on both sides

Source

Russian (Dvoretsky)

ξενική:узы гостеприимства, дружба Arst.