叔外婆 [－－－]

Jyutping suk1 ngoi6 po4
Pinyin shū wài pó

Definitions (Wiktionary)
  1. noun, Xiang
    great-aunt (wife of maternal grandfather's younger brother)
    (syn.) 叔婆, 叔祖母, 婶妈, 嬸婆, 嬸媽, 婶婆, 叔娭毑