Shen Collection, Lower Volume
Radical: Clothing (yī)
Character: Dang
Kangxi stroke count: 19
Page 1125, Entry 37
Tang Rhymes (Tangyun), Collection Rhymes (Jiyun), and Dictionary of Rhymes (Yunhui) define it as pronounced dang.
Categorized Writings (Leipian): Liangdang is a name for a garment.
Explanation of Names (Shiming): One part covers the chest, and one part covers the back.
Miscellaneous Records of the Western Capital (Xijing Zaji): Zhao Feiyan's younger sister gave Feiyan a gold-inlaid embroidered dang.
Jade Chapters (Yupian): Also refers to the crotch of trousers.
Former Han (Qianhan), Biography of Imperial Relatives, Notes on Close-fitting Trousers: This refers to what are now called gusseted trousers.
Ruan Ji, Discourse on the Great Man: One does not dare walk far from the seams, and one does not dare move outside of the crotch of the breeches.
Also, the character dang. See the detailed character notes.