高こう祖そ父ふ

noun

great-great-grandfather

Refers to the grandfather of one's grandparent. A formal kinship term; in casual conversation, people may simply say ひいひいおじいさん.

• 高こう祖そ父ふは明めい治じ時じ代だいに生うまれました。

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