1
Stage 1 of 2
táng
Chinese · medieval
"a hall or meeting place for an association"
meaning 'hall', used for the meeting halls of clan and trade associations
2
Stage 2 of 2
tong
English · 1880s
"a Chinese-American fraternal association, later associated with organized crime"
adopted in American English for Chinese fraternal and, later, criminal associations in cities like San Francisco
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