Zi Collection, Upper Volume Radical: Person (rén) Page 45, Entry 09 Said in the "Rhymes of Tang (Tang Yun)" to be pronounced hu jia qie. Said in the "Jiyun (Jiyun)" to be pronounced he jia qie, with a sound similar to "xia". "Shuowen Jiezi (Shuowen Jiezi)" explains it as something worn on the foot. "Guangyun (Guangyun)" explains it as the lower part of the foot.