ἱστῶ

From LSJ

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

Source

Greek Monotonic

ἱστῶ: Δωρ. αντί ἱστοῦ, γεν. του ἱστός.