Wei Collection, Middle Volume. Radical: Silk (mì). Kangxi stroke count: 15. Page 930, Entry 14. From Broad Rhymes (Guangyun), Collection of Rhymes (Jiyun), Rhyme Meetings (Yunhui), and Correct Rhymes (Zhengyun), pronounced di (falling tone). According to Explaining Graphs and Analyzing Characters (Shuowen), it means a knot that will not come undone. Records of the Grand Historian (Shiji), Annals of Qin Shi Huang: To join alliances and form bonds (di). The commentary states that di means to tie or knot. Also, in the Small Erya (Xiao Erya), di means to close or seal. Additionally, pronounced ti (rising tone). Songs of the South (Chuci), Nine Chapters (Jiuzhang): The energy winds and coils, binding itself. Also, according to Collection of Rhymes (Jiyun), pronounced di (falling tone), also pronounced di (falling tone), also pronounced zhi (falling tone). The meanings are the same.