khè-hiaⁿ-pô契兄婆

mistress

mistress; illicit female lover of a married man

English Wiktionary, “契兄婆” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%A5%91%E5%85%84%E5%A9%86 · confidence: Medium (Wiktionary)