Si Collection, Upper Volume Radical: Water (shuǐ) Entry: Wu Kangxi stroke count: 16 Page 649, Entry 01 Pronounced wu Name of a river. According to the Explaining Graphs and Analyzing Characters (Shuowen Jiezi), the water originates in Wuyin, Nanyang. Also the name of a district. According to the Commentary on the Classic of Water (Shuijingzhu), the Yebei River flows east, passing north of the old city of Wuyang District. Also Wuxi, one of the five streams of Wuling. According to the commentary on the Biography of Ma Yuan in the Book of the Later Han (Hou Hanshu), one pronunciation of Wu is wu. The stream is currently located within the borders of Chenzhou.