lauter


lau·ter

L5077450 (lou′tər)tr.v. lau·tered, lau·ter·ing, lau·ters To drain the wort from (the spent grain of a mash) in brewing.
[From German läuter- (as in Läuterbottich, tub for lautering), stem of läutern, to purify, lauter (from Middle High German liutern, from Old High German hlūttaren, from hlūttar, clear; akin to Greek kluzein, to wash away, rinse out, and Latin cloāca, drain, sewer), and perhaps partly also from German lauter, clear (from Middle High German lūter, from Old High German hlūttar).]