Si Collection, Upper Volume Radical: Water (shuǐ) Entry: 溑 Kangxi stroke count: 14 Page 639, Entry 17 Pronounced suo (falling tone) According to the Broad Rimes (Guangyun) and Collected Rimes (Jiyun) According to the Explaining Graphs and Analyzing Characters (Shuowen), it is the name of a river. Sometimes also written in a variant form (chao).