[--]

Jyutping zung1 zyu2
Pinyin zōng zhǔ

Definitions (Wiktionary)
  1. noun
    suzerain

宗主 [--]

Jyutping
Pinyin zōng zhǔ

Definitions (CC-CEDICT)
  1. head of a clan
  2. natural leader
  3. person of prestige and authority in a domain
  4. suzerain
Examples (粵典–words.hk)
  1. Cantonese
    英国系香港嘅前宗主国。
    英國係香港嘅前宗主國。
    jing1 gwok3 hai6 hoeng1 gong2 ge3 cin4 zung1 zyu2 gwok3.
    • The United Kingdom was the suzerain of Hong Kong.