διακαρτερέω
From LSJ
προγράψαντες οὖν τά τε θεωρήματα καὶ τὰ ἐπιτάγματα τὰ χρεῖαν ἔχοντα εἰς τὰς ἀποδείξιας αὐτῶν μετὰ ταῦτα γραψοῦμές τοι τὰ προκείμενα → having therefore written at the beginning the theorems and the postulates that are necessary for their proofs, we will then write out for you the propositions
English (LSJ)
A endure to the end, Hdt.3.52; ἐς τὸ ἔσχατον Id.7.107; εἰς τὴν πατρίδα δ. stand by one's country, Lycurg.85; ἐν τῇ συμμαχίᾳ X.HG7.2.1: c. part., δ. πολεμῶν ib.4.8, cf. Plu.Sert.7: c. inf., δ. μὴ λέγειν τἀληθῆ to be obstinate in refusing to speak the truth, Arist.Rh. 1377a4. 2 c. acc., bear patiently, δ. τηλικαύτην ἡμέραν Alex.233; κακοπάθειαν δ. Plb.36.16.4.