大母 [－－]

Jyutping daai6 mou5
Pinyin dà mǔ

Definitions (Wiktionary)
  1. noun, Min-Nan
    first wife of one's father (used by children of the other wives)
    (syn.) 大老母, 大哀
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）