Si Collection, Upper Volume Radical: Water (shuǐ) Entry: Xu Kangxi stroke count: 13 Page 636, Entry 29 Pronounced xu. According to the Explanation of Simple and Compound Characters (Shuowen Jiezi), it refers to straining wine. It is the same as the character for strained wine (xu). In the Book of Odes (Shijing), it is written: There is wine to strain for me. The commentary states: This means to use reeds to filter it, thereby removing the dregs. Also, the appearance of dew. In the Book of Odes (Shijing), it is written: The falling dew is abundant (xu). The correct interpretation notes: Xu-xu describes the state of dew upon objects. Also, an appearance of luxuriance. In the Book of Odes (Shijing), it is written: Brilliant are the flowers, their leaves are lush (xu). Also, according to the Explanation of Simple and Compound Characters (Shuowen Jiezi), one meaning is to dredge or clear. Also, pronounced xu. The meaning is the same.