See under Sprites.
The term (also used for spritzing) for the addition of mostly pure alcohol to grape must or wine. The term is derived from sprit (spirit) or esprit (French for spirit). However, the term spriting is not defined in wine law; the relevant legal texts always refer to the "addition of alcohol". This form of winemaking has a long tradition, particularly in southern countries such as Italy, France, Greece, Portugal and Spain, and was used in the past primarily to preserve the wine, especially for long voyages. This is why it is also...
For me, Lexicon from wein.plus is the most comprehensive and best source of information about wine currently available.
Egon Mark
Diplom-Sommelier, Weinakademiker und Weinberater, Volders (Österreich)