潜

hidden / secret / latent / to hide / to conceal / to submerge / to dive

to substitute for / to take the place of / to replace / for / on behalf of / to stand in for

"water" radical in Chinese characters (Kangxi radical 85), occurring in 沒|没[mei2], 法[fa3], 流[liu2] etc / see also 三點水|三点水[san1 dian3 shui3]