Si Collection, Upper Volume
Radical: Water (shuǐ)
涹
Kangxi strokes: 12
Page 628, Entry 20
Guangyun (Guangyun) and Jiyun (Jiyun) state it is pronounced wo. It means turbid or muddy.
Boya (Boya) states the term wowo refers to filth. It also refers to soaking or steeping.
Rites of Zhou (Zhouli), section on the Record of Trades (Kaogongji): To steep the silk.
Commentary: In the Chu region, people call soaking ou; in the Qi region, people call soaking wo.
Also, it is the name of a mountain.
Classic of Mountains and Seas (Shanhaijing): Fifteen miles east of Conglong Mountain, there is a mountain called Wo Mountain.
Additionally, Jiyun (Jiyun) states it is pronounced nei. It is identical to the character zei (variant). It also means turbid or muddy.
It is also pronounced wei. It refers to a place where water gathers. One source states it also means to soak or steep.