brew (n.) Look up brew at Dictionary.com
c. 1500, "a brewed beverage," from brew (v.).
brew (v.) Look up brew at Dictionary.com
Old English breowan "to brew" (class II strong verb, past tense breaw, past participle browen), from Proto-Germanic *breuwan "to brew" (source also of Old Norse brugga, Old Frisian briuwa, Middle Dutch brouwen, Old High German briuwan, German brauen "to brew"), from PIE root *bhreu- "to boil, bubble, effervesce, burn;" the original sense thus being "make a drink by boiling." Related: Brewed; brewing.