noun, noun or participle which takes 'suru'
special imperial appointment
Archaic term for a direct appointment by the emperor, typically to a high office. Not used in modern Japanese; encountered only in historical contexts.
江戸時代には、老中などの要職は親補によって任命された。
In the Edo period, important posts such as rōjū were appointed by special imperial appointment.
The term is composed of 親 (emperor) and 補 (appoint). The exact historical derivation is uncertain; it is a technical term from pre-modern Japanese governance.