Mao Collection, Lower Volume Radical: Dipper (dǒu) Shu Kangxi stroke count: 17 Page 478, Entry 29 Broad Rhymes (Guangyun) and Collected Rhymes (Jiyun) state: pronounced zhu. Explaining Writing (Shuowen) states: when objects exchanged are of equal value, it is called shu. Categorized Compilation (Leipian) states: it means to compare or measure. Also, Broad Rhymes (Guangyun) states: pronounced dou; Collected Rhymes (Jiyun) states: pronounced dou. The meaning is the same. Also, Jade Chapters (Yupian) states: it means to test strength by running or competing. Also, Collected Rhymes (Jiyun) states: pronounced chu. The meaning is the same.