1350-1400;Middle English (< Middle Frenchconsumer) < Latinconsūmere, equivalent to con-con- + sūmere to take up (perhaps < *suzm- < *subzm- < *subs-(e)m-, equivalent to subs-, variant of sub-sub- + emere to take, buy)
overconsume, verb, overconsumed, overconsuming.
preconsume, verb (used with object), preconsumed, preconsuming.
underconsume, verb (used with object), underconsumed, underconsuming.
late 14c., from Old French consumer "to consume" (12c.) and directly from Latin consumere "to use up, eat, waste," from com-, intensive prefix (see com-), + sumere "to take," from sub- "under" + emere "to buy, take" (see exempt (adj.)).