《水经注·卷十五》
来儒之水又往西南流经赤眉城南面，又往西流到高都城东面，西流注入伊水，称为曲水。
来儒之水又西南径赤眉城南，又西至高都城东西入伊水，谓之曲水也。
The water of the Lai Ru River flows southwest and passes the south of Chimei City. It then flows west to the east of Gaodu City, and then east into the Yi River, which is called Qu Shui.