Oneum

Dictionary of Greek and Roman Geography

ONEUM(Ὀναῖον, Ptol. 2.16.4; Peut. Tab.;Geog. Rav.), a town of Dalmatia, which has been identified with Amissa, at the mouth of the Cettina. (Neigebaur, Die Sud-Slaven, p. 25.)
[E.B.J]