retired emperor; emperor emeritus
Honorific title used for a former emperor, especially after abdication. Equivalent to 'His Majesty the Emperor Emeritus'.
See also: 上皇
His Majesty the Emperor Emeritus abdicated in 2019.
There are voices expressing concern about the health of the Emperor Emeritus.
Compound of 上皇 (retired emperor) and 陛下 (Your/His Majesty).