長命契 [长－－]

Jyutping coeng4 meng6 kai3
Pinyin cháng mìng qì

Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. noun, Hong-Kong, colloquial
    joint tenancy
    (syn.) 联权共有, 聯權共有