淤
yū

mud

Phonosemantic compound. 氵 represents the meaning and 於 represents the sound.

Components

氵
氵 Meaning component
shui, shuǐ water

氵 is a component form of 水.

於
於 Sound component
yū, wū in

Character Evolution

Seal form
Seal Shuowen ~100 AD
Regular Modern

Historical Pronunciations

Old Chinese
Zhengzhangqa
qas

說文解字

澱滓，濁泥。从水於聲。

Sources

Readings & variants
Unicode
Historical pronunciations
Zhengzhang Shangfang
Historical images
Academia Sinica
Etymology
Shuowen Jiezi (說文解字)