Besa
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
Bēsā: ae, m., = Βησᾶ>,
I an Egyptian divinity, Amm. 19, 12, 3.
Bēsa, æ, m. (Βησᾶς), divinité égyptienne : Amm. 19, 12, 3.