Pronounced shang (flat tone) in Guangyun, shi (flat tone) in Jiyun, sounding like "shi." Pronounced shen (flat tone) in Zhengyun, sounding like "shi." Explained in Shuowen Jiezi as coarse silk fabric. Xu Xuan stated that the variant form "絁" used in common practice is incorrect. Yüpian explains it as a woven fabric where the warp and weft threads differ in thickness. Also written as 䌤. Guangyun describes it as a silk fabric resembling cloth. Additionally, pronounced xiang (flat tone) in Jiyun, sounding like "si." The meaning is the same. Sometimes written as 䌤 in Leipian. Also written as 䌤 in Pianhai.