英语词汇cough up的起源、历史背景-英语词源词典

词汇	cough up
词源	cough up. Four centuries ago to cough up meant to disclose. It did not take on its present meaning of “to pay up or hand over” until the end of the 19th century, probably originating in this sense as American criminal slang. One theory is that un- derworld suspects tried to bribe police officers with money in- stead of coughing up information about crimes, and that cough up then came to mean “pay up.”
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