Oeensis
Could not find Oeensem in Logeion dictionaries.
Oeensem Proper-name adjective: masculine accusative singular, Proper-name adjective: feminine accusative singular of Oeensis
Oeensis, e. v. Oea.
Oeēnsis, s. Oea.
Œēnsis, e, dʼŒa : Plin. 5, 27 || m. pl., habitants dʼŒa : Tac. H. 4, 50 ; Plin. 5, 38.