Δεύνυσος
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)
ὁ, Ion. for Διόνυσος, Anacr.2.11:—from δεῦνος, Indian for βασιλεύς, acc. to EM259.32: A v. Δεονῦς.
Greek (Liddell-Scott)
Δεύνῡσος: ὁ, Ἰων. ἀντὶ τοῦ Δεόνυσος, Διόνυσος, ἴδε Bgk. Ἀνακρ. 2, (Κατὰ τὸ Μ. Ἐτυμ. 259. 32, δεῦνος εἶνε Ἰνδικὴ λέξις = βασιλεύς, ἴδε Pott. Et. Forsch. 1, 102).
Spanish (DGE)
v. Διόνυσος.