Do you know ghouls from goblins and ghosts?
early 15c., from Old French nutrition (14c.) and directly from Latin nutritionem (nominative nutritio) "a nourishing," noun of action from past participle stem of nutrire "to nourish, suckle" (see nourish).
nutrition nu·tri·tion (nōō-trĭsh'ən, nyōō-)
The process by which a living organism assimilates food and uses it for growth, liberation of energy, and replacement of tissues; its successive stages include digestion, absorption, assimilation, and excretion.
The science or study that deals with food and nourishment, especially in humans.