Si Collection, Upper Volume
Radical: Water (shuǐ)
Entry: Qian
Kangxi stroke count: 7
Page 605, Entry 12
According to the Tang Rhyme (Tangyun) and the Collected Rhymes (Jiyun), it is pronounced qian.
According to the Explaining Graphs and Analyzing Characters (Shuowen Jiezi), it is defined as the name of a river.
The Jade Chapters (Yupian) and the Collection of Carried Awls (Peixi Ji) both state that it is the name of a river and is distinct from the character for sweat (han).