noun, masculine/sɔ.mə.lje/plural: sommeliers
sommelier, wine steward (a person who is in charge of the wine cellar in a restaurant); the person in charge of bread, linens, crockery, and liquor; the chief of table setting; the person in charge of the wine convoy, its beasts of burden, and its protection
From somme + -ier; ultimately from bête de somme; somme is from Vulgar Latin *salma, from Latin sagma (“packsaddle”).