Does "格秀拉康" have an equivalent proper noun in English?
Yes, it is Kartsog Lhakhang.
It means the "Temple of the white [pure] assembly".


  Kartsog Lhakhang (格秀拉康) is the oldest and most important Buddhist temple in Yushu (玉树) town. Its exact origins are unknown, but a small temple on this site dates back to the founding of Jyekundo (Yushu) town by Sakya Pandita (萨迦·班智达, 1182-1251) in the thirteenth century. The present temple took its shape in the eighteenth century. Located in the heart of the historic town, it is the local community's neighborhood temple, the most important place in their daily life. It is also used for fasting practice (Tibetan: nyungney 斋戒), hence the name Kartsog Lhakhang, “temple of the white [pure] assembly.”


康 (khang) means the house or building. For example,
医院 (hospital) 门康
商店 (store or shop) 村康
旅馆 (hotel or inn) 准康
书店 (bookstore) 贝村康
银行 (bank) 威康  

拉 (lha) means the heaven or god.

Then, 拉康 (lhakhang) means the temple (神殿, 庙, 寺).

The Chinese name of Kartsog Lakhang (格秀拉康) is 格秀经堂 or 嘎措寺.