" The word Butler derives from the Anglo-French term buteillier, or bottle-bearer, one in charge of the wine of the household. By the 15th century, then, butlers were wine stewards, a role of crucial importance when wine, a more trusted beverage than potentially tainted water, was essential to the maintenance of all large households. Another early responsibility of the butler was the brewing of beer for the other members of the staff. The butler, therefore, was entrusted with duties that required exceptional discipline and good judgment. By the 18th century, the trust invested in a butler's skill extended to the management of the household and its servants as a whole. "