ἀμετάβολος
From LSJ
μήτε δίκην δικάσῃς πρίν ἀμφοῖν μῦθον ἀκούσῃς → do not give your judgement until you have heard a speech on both sides
English (LSJ)
ον, = foreg., Plu.Mar.42. 2 Music, without modulation, σύστημα Aristid.Quint.1.8, Bacch.Harm.74; ἁρμονία Plu.2.437d ἀμετά-γνωστος, ον, unalterable, implacable, μῖσος J.AJ16.10.1. 2 not to be repented of, ἡδονή Max.Tyr.1.4.
German (Pape)
[Seite 122] dasselbe, Sp., wie D. Hal. 1, 83.