Πάρθιος

From LSJ

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

Source

Russian (Dvoretsky)

Πάρθιος: Anacr. = Παρθικός, парфянский.