בָּרַר
From LSJ
μήτε δίκην δικάσῃς πρίν ἀμφοῖν μῦθον ἀκούσῃς → do not give your judgement until you have heard a speech on both sides
English (Strong)
a primitive root; to clarify (i.e. brighten), examine, select: make bright, choice, chosen, cleanse (be clean), clearly, polished, (shew self) pure(-ify), purge (out).