皇祖妣 こうそひ noun (common) (futsuumeishi) 皇祖妣こうそひ Noun English JMdict 1 noun (common) (futsuumeishi) deceased grandmother of the emperor 漢字 kanji used 皇 emperor 9画 · JLPT N 1 祖 ancestor, pioneer 9画 · JLPT N 2 妣 mother 7画