姨外婆 [－－－]

Jyutping ji4 ngoi6 po4
Pinyin yí wài pó

Definitions (Wiktionary)
  1. noun, Xiang
    great-aunt (paternal grandmother's sister)
    (syn.) 姨婆, 姨媽, 姨姥姥, 姨娭毑, 姨嫲婆