gourmet

a wine expert, especially one who is adept at determining the label, date, and sundry other qualities solely by smatch; a culinary connoisseur, gourmet

Inherited from Middle French gourmet, from Old French groumet (“wine broker, valet in charge of wines, servant”) from Old French grommes (“manservant”), from Middle English grom, grome (“boy, valet, servant”) of unknown origin, perhaps from Old English *grōm (“male child, boy, youth”) from Old English grōwan (“to grow”). Cognate of Spanish grumete and Catalan grumet. More at groom.