Si Collection, Upper Volume Radical: Water (shuǐ) Yu Kangxi stroke count: 12 Page 631, Entry 15 Pronounced yu. A river name. Shuowen Jiezi (Explaining Graphs and Analyzing Characters) states: The river originates in Mount Lushi in Hongnong and flows southeast into the Mian River. Classic of Mountains and Seas (Shanhaijing) states: From Mount Gongli, the Yu River originates and flows south to join the Han River. Also, Yuyang, a county name, located in Nanyang Commandery. History of the Former Han (Qian Hanshu) writes it as Yuyang. History of the Later Han (Hou Hanshu) writes it as Yuyang.