market Look up market at Dictionary.com
c.1154, "a meeting at a fixed time for buying and selling livestock and provisions," from O.N.Fr. market (O.Fr. marchiet, Fr. marché), from L. mercatus "trading, trade, market" (cf. It. mercato, Sp. mercado), from pp. of mercari "to trade, deal in, buy," from merx (gen. mercis) "wares, merchandise," from Italic root *merk-, possibly from Etruscan, referring to various aspects of economics. Meaning "public building or space where markets are held" first attested c.1250. Sense of "sales, as controlled by supply and demand" is from 1689. The verb is 1635, from the noun. Market value (1691) first attested in writings of John Locke.