You Collection, Middle Volume Radical: Foot (zú) Kangxi Strokes: 26 Page 1236, Entry 40 According to the Extensive Dictionary of Sounds and Meanings (Guangyun), the Collected Rhymes (Jiyun), and the Rhyme Collection (Yunhui), the pronunciation is sa (rising tone). According to the Explaining Graphs and Analyzing Characters (Shuowen), it refers to dancing shoes. According to the Extensive Dictionary of Sounds and Meanings (Guangyun), it refers to walking. It is also written in a variant form (chi). Strategies of the Warring States (Zhan Guo Ce): Like discarding worn-out straw sandals. Annotation: Refers to straw sandals. Records of the Grand Historian (Shiji), Treatise on the Feng and Shan Sacrifices: Leaving one's wife and children is like discarding a pair of shoes. History of the Former Han (Qian Han Shu), Treatise on Geography: Playing stringed instruments and walking while dragging shoes without heels. Annotation: This term is the same as slippers (xi), referring to shoes without heels. Biography of Juan Buyi: Dragging one's shoes to come and welcome someone. Annotation: Not wearing a shoe properly with the heel inside is called sa. According to the Collected Rhymes (Jiyun), the pronunciation is li. According to the Extensive Dictionary of Sounds and Meanings (Guangyun), the Collected Rhymes (Jiyun), the Rhyme Collection (Yunhui), and the Correct Rhymes (Zhengyun), the pronunciation is sa (falling-rising tone). The meaning is the same. According to the Collected Rhymes (Jiyun), the pronunciation is ji (falling-rising tone). The term slippers (xi) is sometimes written in the variant form (sa).