"gourmand," 1650s, from Greek deipnosophistes "one learned in the mysteries of the kitchen," from deipnon "chief meal, dinner" (which is of unknown origin) + sophistes "master of a craft" (see sophist). the word has come down thanks to "Deipnosophistai," 3c. work on gastronomy by Athenaeus.[deipnosophist etymology, deipnosophist origin, 英语词源]