the late emperor; preceding emperor
Refers to the previous emperor who has passed away or abdicated. Used in historical or formal contexts.
先帝の御代には、国が栄えた。
During the reign of the late emperor, the country prospered.
先帝の遺志
Carry on the will of the preceding emperor.
Compound of 先 (previous, former) and 帝 (emperor). The reading せんてい follows standard on'yomi.