Si Collection, Upper Volume Radical: Water (shuǐ) Entry: 潳 Kangxi strokes: 16 Page 650, Entry 28 Pronounced tu. The name of a mountain. In the Book of the Later Han (Hou Hanshu): In the Nanjun region, there is Mount Tu, where the Man people led by Lei Qian and others first rebelled. Also pronounced zha. Tu means to be moistened or dampened.