chéng

door stop

Components
木 meaning component

  Meaning component

  

tree

wood

长 sound component

  Sound component

zhǎngcháng

  

long

Evolution

枨 Seal script Shuowen (~100 AD)

Seal script

Shuowen (~100 AD)
枨 Simplified script Modern

Simplified script

Modern
Definitions

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chéng

door stop, door jam; touch; a prop, post; door post