consumption (n.)

late 14c., "wasting of the body by disease; wasting disease, progressive emaciation" (replacing Old English yfeladl "the evil disease"), from Old French consumpcion, from Latin consumptionem (nominative consumptio) "a using up, wasting," noun of state from past-participle stem of consumere "to use up, eat, waste," from assimilated form of com-, here probably an intensive prefix (see com-), + sumere "to take," from sub- "under" (see sub-) + emere "to buy, take" (from PIE root *em- "to take, distribute"). Meaning "act of consuming, the using up of material, destruction by use" is 1530s.