姆婆 [－－]

Jyutping mou5 po4
Pinyin mǔ pó

Definitions (Wiktionary)
  1. noun, Zhangzhou-Hokkien
    grandaunt; great-aunt (wife of paternal or maternal grandfather's younger brother)
  2. noun, Min-Dong, Quanzhou, Taiwanese-Hokkien, Xiamen
    grandaunt; great-aunt (wife of paternal grandfather's elder brother)
    (syn.) 伯祖母