Classic of Mountains and Seas
The river was first recorded as the Hei (, "Hēishuǐ",  "Blackwater") in the Warring States' "Tribute of Yu". It was described as the Sheng ( ,  , "Shéngshuǐ", "Rope River") in the Han-era Classic of Mountains and Seas. During the Three Kingdoms, it was known as the Lu ( ,  , "Lúshuǐ"). The present name was adopted during the Song dynasty.