lauter

Etymology

From German lauter (“pure, clear”, adjective). Began to become common in English in the 1880s.

adj

1. (brewing, of mash, only attributive) Clear.
   The practice in the Munich brewery made it plain that the object of the drawing off of the thick mash is to completely separate the thick mash from the lauter mash. 1905, Pure Products, volume 1, page 176
   Since the husks and coarse grits are essential for distancing grist particles from one another in the lauter mash, their diminished presence in wheat beer worts will impede the lautering process. 1992, Eric Warner, German Wheat Beer
   The thin lauter mash is quickly transferred to the tun, given a last thorough stirring, and allowed to settle. 2003, Gregory J. Noonan, New Brewing Lager Beer: The Most Comprehensive Book

verb

1. (brewing, transitive) To subject to lautering.