Zi Collection, Middle Volume Radical: Earth (tǔ) Page 180, Entry 03 The Five Tones Classified and Rhymed (Wuyin Jiyun) states that this is a vulgar form of the character for Han. Also appears in the Supplement to the Collection of Characters (Zihui Bu), used as a personal name. For instance, Zhu Mougong, author of books such as Comprehensive Treatise on the Images of the Book of Changes (Yixiang Tong), Records of the Remote Antiquity (Suigu Ji), and Commentary on the Commentary on the Classic of Water (Shuijing Zhu Jian). Also appears in the Categorized Compilation of the Sea of Characters (Pianhai Leibian). It is pronounced wei (rising tone). The character means to crack or split.