姨嫲婆 [－－－]

Jyutping ji4 maa4 po4
Pinyin yí ma pó

Definitions (Wiktionary)
  1. noun, Min-Bei
    great-aunt (grandmother's sister)
    (syn.) 姨外婆, 姨婆, 姨媽, 姨姥姥, 姨娭毑