Si Collection, Upper Volume Radical: Water (shuǐ) Tan Kangxi stroke count: 16 Page 650, Entry 13 Pronounced tan. Refers to a river name. According to Explaining Graphs and Analyzing Characters (Shuowen jiezi), this water originates from Yushan in Tancheng County, Wuling Commandery. It also denotes the meaning of deep. In the Biography of Yang Xiong in the History of the Former Han (Qian Hanshu), the phrase "deeply pondering the armillary sphere" uses this term to mean profound thought. Also refers to a prefecture name. According to the Record of Universal Geography (Guangyu ji), Changsha Prefecture was known as Tanzhou during the Sui and Tang dynasties. Pronounced xun. Refers to the deep part of a body of water near the shore. It is the same as the character for river bank (xun). In the Refuting Ridicule (Jiechao) by Yang Xiong, the reference to fishing along the deep banks of the river uses this meaning. Pronounced yin. In the term referring to gradual infiltration, it is synonymous with the term for gradual soaking (jinyin). Sima Xiangru’s Rhapsody on the Upper Forest (Shanglin fu) contains the phrase regarding gradual, rhythmic movement. In the History of the Han (Hanshu), it is written as the term for gradual soaking. Pronounced ren. Refers to the way water ripples and shakes. Sometimes written in a variant form (tan). Pronounced ren. Same meaning as above. Textual research: According to the original text of Explaining Graphs and Analyzing Characters (Shuowen jiezi), the passage stating the water originates from Yushan in Tancheng County, Wuling Commandery has had the character corrected from the original entry to the specific place name character (tan).