太上法皇だいじょうほうおう

also: だじょうほうおう

Meanings

1

cloistered emperor; ex-emperor who has become a monk

honorific or respectful (sonkeigo)

Historical title for a retired emperor who has taken Buddhist vows. Used in contexts of Japanese imperial history.

白しら河かわ上じょう皇こうは後のちに出しゅっ家けして太上だいじょう法ほう皇おうとなった。
Emperor Shirakawa later entered the priesthood and became a cloistered emperor.
太上だいじょう法ほう皇おうは院いん政せいを行おこなった。
The cloistered emperor ruled from behind the scenes.