noun
ancestor (honorific/poetic); forebear (especially mother or grandmother)
Poetic and honorific term for an ancestor, often used in classical or literary contexts. Especially refers to one's mother or grandmother, but can extend to earlier forebears.
御祖の教えを胸に刻む。
I engrave the teachings of my ancestor (especially mother/grandmother) in my heart.
この歌は御祖への感謝を詠んだものです。
This poem expresses gratitude toward my forebear.