Pholus
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
Phŏlus: i, m., = Φόλος,
I a Centaur, son of Ixion, Verg. G. 2, 456; Ov. M. 12, 306; Luc. 6, 391; Serv. Verg. A. 8, 294; Juv. 12, 45.
Phŏlus,¹⁴ ī, m. (Φόλος), Centaure, fils d’Ixion : Virg. G. 2, 456 ; Ov. M. 12, 306.