《水经注·卷二十九》
遭水发源于桐柏山，与淮水同源而分道西流，所以也称为派水。
澧水源出于桐柏山，与淮同源，而别流西注，故亦谓水为派水。
Zao River originates from Tongbai Mountain, sharing its source with Huai River but flowing westward separately, hence also known as Pai River.