γυρίζω
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
Spanish (DGE)
1 tr. girar, torcer τὴν κεφαλήν Hippiatr.Lugd.73.
2 en v. med. dar vueltas, Hippiatr.Lugd.9.