曽祖父 そうそふ Also written 曾祖父, ひいじじ, ひじじ, ひおおじ Meanings Noun great-grandfather; great-granddad; great-grandad Kanji 曽 once. Read as ソウ. 祖 ancestor 父 father. Read as フ. Example sentences 曾祖父の代から東京に住んでいます。My family came to live in Tokyo in my great-grandfather's time. Common phrases 曽祖父にあたる Words containing 曽祖父 曽祖父母 (そうそふぼ) great-grandparents Jinuma: Japanese Dictionary · Word lists