Dubbel
A term dubbel (also double) is a Belgian Trappist beer naming convention. The origin of the dubbel was a beer brewed in the Trappist Abbey of Westmalle in 1856. The abbey had, since 10 December 1836, brewed a light coloured beer that was quite sweet and light in alcohol for consumption by the monks. The new beer, however, was a strong version of a brown beer: in 1926, the recipe was changed, and the first modern dubbel was released by Westmalle Abbey as Dubbel Bruin. The first written record of its sale by the abbey was on 1 June 1861. Following World War Two, abbey beers became popular in Belgium and the name "dubbel" was used by several breweries for commercial purposes.