From irregular romanization of the Mandarin pronunciation of Chinese 開封/开封 (Kāifēng). Compare Caifum.
Caifung
- (obsolete) Alternative form of Kaifeng
1693, Robert Morden, “Of China”, in Geography Rectified...[1], 3rd edition, page 440:The chief City Caifung lies about two Leagues from the Yellow-River, whoſe Water is ſaid to be higher than the City...