1611, "mixed meats served in a stew," from Fr. pot pourri "stew," lit. "rotten pot" (loan-translation of Sp. olla podrida), from pourri, pp. of pourrir "to rot," from V.L. *putrire, from L. putrescere "grow rotten" (see putrescent). Notion of "medley" led to meaning "mixture of dried flowers and spices," first recorded in Eng. 1749. Fig. sense (originally in music) of "miscellaneous collection" is recorded from 1855.