nóng
pus
Phonosemantic compound. ⺼ represents the meaning and 農 represents the sound.
Components
Evolution

Seal script
Shuowen (~100 AD)
Seal script
Shuowen (~100 AD)
Clerical script
Eastern Han dynasty (25-220 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
ModernSources