Shen Collection, Lower Volume Radical: Clothing (yī) Character: za Kangxi stroke count: 18 Page 1124, Entry 33 Collected Rhymes (Jiyun) states it is the same as za. Explanation of Simple and Compound Characters (Shuowen) states it means five colors combined together. Additionally, Classified Chapters (Leipian) states it means to gather. Further details are explained in the Bird (zhui) radical section.