noun
temporary imperial palace (Heian period)
Historical term for a temporary imperial residence built outside the main imperial palace (内裏) during the Heian period, often used when the main palace was damaged or under construction.
See also: 内裏
平安時代には、火災などで内裏が使えなくなると、貴族の邸宅を里内裏として利用することがあった。
In the Heian period, when the imperial palace became unusable due to fire or other reasons, aristocratic residences were sometimes used as temporary imperial palaces (里内裏).