sai-kha-chîⁿ私奇錢

secret purse

secret purse; secret stash of money (not known to other members of the family)

English Wiktionary, “私奇錢” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E7%A7%81%E5%A5%87%E9%8C%A2 · confidence: Medium (Wiktionary PH)