Evolution

Bronze script
Early Western Zhou (~1000 BC)
Bronze script
Warring States (475-221 BC)
Seal script
Chu (Warring States: 475-221 BC)
Seal script
Shuowen (~100 AD)Regular script
ModernDefinitions
yì
Bronze script
Early Western Zhou (~1000 BC)Bronze script
Warring States (475-221 BC)Seal script
Chu (Warring States: 475-221 BC)Seal script
Shuowen (~100 AD)Regular script
Modernyì