世交 [－－]

Jyutping sai3 gaau1
Pinyin shì jiāo

Definitions (CC-CEDICT)
  1. (long time) friend of the family
Definitions (粵典–words.hk)
  1. 名詞
    指兩家​之間​有​兩代​或​以上​嘅​交情
    two families have friendship for 2 or more generations.
    • 呢兩家人係世交嚟，由太公果代開始兩家已經夾檔做生意
      呢两家人系世交嚟，由太公果代开始两家已经夹档做生意
      These two families have friendships spanning several generations, they join venture to do business since the time of their grand grandfathers.
Definitions (Wiktionary)
  1. noun
    longstanding friendship between two families; generations of family friendship
    (syn.) 通家
  2. noun
    old family friend; long-term friend of the family
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）
Examples (粵典–words.hk)
  1. Cantonese
    呢两家人系世交嚟，由太公果代开始两家已经夹档做生意
    呢兩家人係世交嚟，由太公果代開始兩家已經夾檔做生意
    • These two families have friendships spanning several generations, they join venture to do business since the time of their grand grandfathers.