oleaginous
From Longman Dictionary of Contemporary Englisholeaginouso‧le‧ag‧i‧nous /ˌəʊliˈædʒɪnəs $ ˌoʊ-/ adjective technical TIcontaining, producing, or like oilExamples from the Corpusoleaginous• Then we went in to face this perfectly oleaginous and crepuscular little registrar.Origin oleaginous (1600-1700) French oléagineux, from Latin oleagineus, from olea “olive tree”, from Greek elaia; → OIL1