Etymology

K'ai-feng

Mandarin 開封 /开封
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The story

  1. Mandarin · borrowed from開封 /开封
  2. English todayK'ai-feng

From Mandarin 開封 /开封 (Kāifēng), Wade–Giles romanization: Kʻai¹-fêng¹.

Etymology from Wiktionary, CC BY-SA 4.0.