"oily, unctuous, having the qualities of oil," early 15c., oleaginose (modern from by 1630s), from Old French oléagineux (14c.) and directly from Medieval Latin oleaginus, literally "of the olive," from olea "olive," alteration of oliva (see olive) by influence of oleum "oil." Related: Oleaginousness.
updated on August 20, 2019
Dictionary entries near oleaginous