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";
Wine color and flavor components from the grape skin. Red wine is made from dark-colored grape varieties. The actual color of the wine can range from violet, typical of young wines, through red for mature wines, to brown for older red wines. The juice from most purple grapes is actually greenish-white; the red color comes from anthocyan pigments (also called anthocyanins) present in the skin of the grape; exceptions are the relatively uncommon teinturier varieties, which actually have red flesh and produce red juice. Fermentation of the non-colored grape pulp produces white wine. The grapes from which white wine is produced