main building (of a villa, palace, etc.)
Refers to the principal structure within a larger complex, such as a detached palace, aristocratic villa, or temple compound. Often used in historical or architectural contexts.
The main building of Byōdō-in is called the Phoenix Hall.
The main building of this detached palace was built in the Edo period.
early shoin-zukuri style; early phase of shoin-zukuri residential architecture
Compound of 主 (shu, 'main') and 殿 (den, 'hall' or 'palace'). The reading is on'yomi, consistent with Sino-Japanese architectural terminology.