combino
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
com-bīno: (conb-), no
I perf., ātum, 1, v. a. bini, to unite, combine (late Lat.): combinat ζευγνὐει, συνάπτει, Gloss. Lat.; ζευγίζω> combino, Gloss. Gr. Lat.; part. perf. combinatus, Aug. Conf. 8, 6; Sid. Ep. 9, 8.