Ἄξεινος
From LSJ
διαπασῶν, διατεσσάρων, διαπέντε → through all, through four, through five (Pythagorean musical terms)
English (Slater)
Ἄξεινος sc. πόντος
1 inhospitable, Black sea cf. (N. 4.49) ἐπ' Ἀξείνου στόμα (P. 4.203)
Middle Liddell
sc. πόντος, the Axine, afterwards called the Euxine (Euxeinus qui nunc Axenus ille fuit Ov.), Pind., Eur.