Si Collection, Upper Volume Radical: Water (shuǐ) Yin Kangxi Stroke Count: 10 Page 620, Entry 09 From Tang Rhymes (Tangyun) and Collection of Rhymes (Jiyun), pronounced yin (falling tone). The pronunciation is the same as the character for a harness strap (yin). According to the Jade Chapters (Yupian), it refers to a small water flow. Another explanation describes it as thin, small water ripples.