economy (adj.) Look up economy at Dictionary.com
1821 as a term in advertising, at first meant simply "cheaper," then "bigger and thus cheaper per unit or amount" (1950). See economy (n.).
economy (n.) Look up economy at Dictionary.com
1530s, "household management," from Latin oeconomia (source of French économie, Spanish economia, German Ökonomie, etc.), from Greek oikonomia "household management, thrift," from oikonomos "manager, steward," from oikos "house, abode, dwelling" (cognate with Latin vicus "district," vicinus "near;" Old English wic "dwelling, village," from PIE root *weik- (1) "clan") + nomos "managing," from nemein "manage" (from PIE root *nem- "assign, allot; take"). Meaning "frugality, judicious use of resources" is from 1660s. The sense of "wealth and resources of a country" (short for political economy) is from 1650s.