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brew

verb with object
1. make (beer) by soaking, boiling, and fermentation.
〈ビールなど〉を醸造する, 作る.
2. make (tea or coffee) by mixing it with hot water:
〈茶・コーヒーなど〉を煎じる, いれる
e.g. I've just brewed some coffee
⦅主に英⦆ 〈茶・コーヒーなどが〉出る
e.g. no object : he did a crossword while the tea brewed.
(brew up) British informal make tea.
⦅英・くだけて⦆ 茶[コーヒー]をいれる
3. no object (of an unwelcome event or situation) begin to develop:
〖通例be ~ing〗 〈悪い状況・嵐などが〉発生しつつある, 起ころうとしている(up)
e.g. there was more trouble brewing as the airline pilots went on strike
e.g. a storm was brewing.

noun
1. a kind of beer:
〖種類では可算〗ビール, 酒
e.g. nonalcoholic brews.
informal a serving of beer.
2. a cup or mug of tea or coffee.
〖通例単数形で〗1回分の茶[コーヒー]
3. a mixture of events, people, or things which interact to form a more potent whole:
〖通例単数形で〗混合(物), 混ざり合ったもの
e.g. a dangerous brew of political turmoil and violent conflict.

ORIGIN
Old English brēowan (verb), of Germanic origin; related to Dutch brouwen and German brauen.