καθυφίημι
μηδενί δίκην δικάσῃς πρίν ἀμφοῖν μῦθον ἀκούσῃς → do not give your judgement on anything until you have heard a speech on both sides
English (LSJ)
A give up, surrender treacherously, [καιρὸν] ἐάν τις ἑκὼν καθυφῇ τοῖς ἐναντίοις καὶ προδῷ D.19.6, cf. 16.18, al.; τὰ τῆς πόλεως Id.58.6, cf. Luc.Prom.5; esp. in a lawsuit, κ. τὸν ἀγῶνα conduct it collusively, compromise it, D.21.151; οὐ μόνον τῷ μὴ καθυφεῖναι ταῦτα σεμνύνομαι Id.18.107: abs., καθυφέντων τῶν κατηγόρων when they let the action drop, Id.23.96. II Med., καθυφίεσθαί τινι give way, yield, c. dat. pers., X.HG2.4.23; ἔν τινι slacken, ἐν μάχαις Polyaen.8.24.1: abs., Luc.Abd.7. 2 Med., with pf. Pass., used trans. like the Act., εἰ καθυφείμεθά τι τῶν πραγμάτων D. 3.8; καθυφεῖντο ἑαυτούς Plb.3.60.4; ἐπ' ἀργυρίῳ τὸ τίμημα καθυφειμένος Plu.Cic.8; οὐδὲν . . καθυφηκάμην J.BJ2.16.4; -ίενται τὴν τοῦ ἑνὸς τιμήν Ph.2.220.