高こう祖そ母ぼ

noun

great-great-grandmother

Refers to the mother of one's great-grandparent. A specific kinship term used in formal or genealogical contexts.

• 私わたしの高こう祖そ母ぼは明めい治じ時じ代だいに生うまれました。

  My great-great-grandmother was born in the Meiji era.