Wine vessels kept them fresh and free from a vinegar smell. In medieval Europe, the Roman Catholic Church supported wine because the clergy required it for the Mass. Monks in France made wine for years, aging it in caves. An old English recipe that survived in various forms until the 19th century calls for refining white wine from bastard—bad or tainted "bastardo" wine. The English word "wine" comes from the Proto-Germanic "*winam", an early borrowing from the Latin "vinum", "wine" or "(grape) vine", itself derived from the Proto-Indo-European stem *"win-o-" (cf. , "gini"; Ancient Greek: "oinos"; Aeolic Greek: "woinos"; Hittite: "wiyana";
Sauternes (wine) high levels of sugars still in the wine. The Dutch began to identify areas that could produce grapes well suited for white wine production and soon homed in on the area of Sauternes. The wine produced from this area was known as "vins liquoreux" but it is not clear if the Dutch were actively using nobly rotted grapes at this point. Wine expert Hugh Johnson has suggested that the unappealing thought of drinking wine made from fungus-infested grapes may have caused Sauternes producers to keep the use of "Botrytis" a secret. There are records from the 17th century that by