Ὄνειον
Ὄνειον, Oneian ridge, Ass Back mountain
Could not find Ὀνείῳ in Logeion dictionaries.
Ὀνείῳ Proper-name noun: neuter dative singular of Ὄνειον
Ὄνειον — Oneion Mt. (Korinthia), Pleiades 570532
Ὄνειον, ου (τὸ) le mt Oneion, au S. E. de Corinthe, Thc. 4, 44 ; Xén. Hell. 6, 5, 51, etc.
Étym. cf. le préc.