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1690s, from American Spanish pulque, of unknown origin, said to be a word from Araucanian (native language spoken in part of Chile), or else from some language of Mexico.
fermented alcoholic beverage made in Mexico since the pre-Columbian era. Cloudy and whitish in appearance, it has a sour buttermilk-like flavour and about 6 percent alcohol content. It is made from fermented aguamiel ("honey water"), the sap of any of several species of the agave, or maguey, plant (often called century plant).