Mackay, JW

...In Spanish, it means "good weather," "prosperity," or "rich mineral deposits," and was adopted into American colloquialism. It also came to be used widely in the United States from the first half of the 19th century to mean "unexpected luck" or "big win." The "bonanza kings" were John W. Mackay and James G. Fair, who made huge profits from the silver mines of Nebraska in the 1870s. A bonanza farm was a farm that boasted a rich production in the frontier, and a bonanza business was a business that made a quick profit. ...

*Some of the terminology that mentions "Mackay, JW" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…スペイン語で〈良い天候〉〈繁栄〉〈豊かな鉱脈〉を意味し，アメリカの口語にもとりいれられ，さらに，〈思いがけない幸運〉〈大当り〉の意味で19世紀前半ごろからアメリカで盛んに使われるようになった。ボナンザ王とはマッケーJohn W.Mackay，フェアJames G.Fairらを指し，彼らは1870年代にネブラスカ州の銀山で莫大な収益をあげた。ボナンザ農場とは開拓地で豊かな生産量を誇る農場で，ボナンザ･ビジネスとはぼろもうけ仕事を指す。…

※「Mackay，J.W.」について言及している用語解説の一部を掲載しています。

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