Si Collection, Upper Volume
Radical: Water (shuǐ)
沺
Kangxi strokes: 9
Page 614, Entry 05
Pronounced tian
Pronounced tian
According to the Dictionary of Characters (Zilin), the form tian tian describes the appearance of water that is vast and expansive.
From the Rhapsody on the River (Jiangfu) by Guo Pu: The misty and vast waters stretch out, flowing wide and deep.