also: せんにょうでん
noun
ladies' pavilion of the inner Heian Palace
Historical term for one of the buildings in the inner palace (内裏) of the Heian period. Part of the group known as 七殿 or 十七殿.
宣耀殿は、平安京内裏の十七殿の一つである。
The Sen'yōden is one of the seventeen pavilions of the Heian Palace inner court.
The name is composed of 宣 (proclaim) and 耀 (shine), but the exact historical derivation is uncertain. It is a proper name for a specific Heian-period palace building.