One of the mysteries of the English language finally explained.
1More fully "oil-nut tree". Any of various trees or shrubs that produce oil-rich nuts or large seeds; specifically (a) the castor oil plant, Ricinus communis; (b) the butternut, Juglans cinerea; (c) the buffalo-nut, Pyrularia pubera; (d) the oil palm, Elaeis guineensis.
2The nut or large seed of such a plant.
Late 17th century. From oil + nut.
In this article we explore how to impress employers with a spot-on CV.