老大公 [－－－]

Jyutping lou5 daai6 gung1
Pinyin lǎo dà gōng

Definitions (Wiktionary)
  1. noun, Min-Dong
    great-great-grandfather (the father of someone's great-grandparent)
    (syn.) 祖爺, 高祖父, 帥爹爹, 帅爹爹, 祖爷, 阿白