inner practice hall
Historical term for a Buddhist practice hall located within the imperial palace grounds. Rare in modern usage; mainly encountered in historical or religious contexts.
In the Heian period, the inner practice hall was an important venue for Buddhist ceremonies within the imperial palace.
Compound of 内 (nai, 'inner') and 道場 (dōjō, 'practice hall'). The term refers specifically to a Buddhist hall inside the imperial palace, a concept from Japanese history.