Where does “波士頓” come from?

波士頓 (Chinese) comes from English Boston — In the card game spades, a bid of all 13 tricks;...

Ancestry of “波士頓”, step by step

Step	Language	Word	Meaning
1	English	Boston	In the card game spades, a bid of all 13 tricks;...

波士頓 — Etymology, Origin & Word History | Etymology Explorer