桐油灰 [－－－]

Jyutping tung4 jau4 fui1
Pinyin tóng yóu huī

Definitions (CC-CANTO)
  1. putty (putty base)
Definitions (粵典–words.hk)
  1. 名詞
    熟​桐油​加​石灰​溝​成​嘅​黏合​物料​，​有​防水​作用
    putty consisting of tung oil and lime
Definitions (Wiktionary)
  1. noun, Min-Nan
    putty
    (syn.) 油灰
Definitions (Kaifangcidian)
  1. 油灰
  2. 泥子