Inner Palace Music Bureau; imperial dance training hall
Historical term for a section of the imperial palace where dancing girls were trained, used during the Nara and Heian periods. Archaic; encountered only in historical contexts.
The Naikyōbō was a dance training facility established in the imperial palace from the Nara through Heian periods.
From 内 (inner) + 教坊 (music/dance training hall). The exact historical derivation is uncertain; the term refers to a specific imperial institution.