Depicts a knife (刂) cutting a gem into two halves (玨), based on the original meaning "to divide". The meaning later shifted to "division", "group", and "team".

Evolution

Bronze script

Early Western Zhou (~1000 BC)

Seal script

Shuowen (~100 AD)

Clerical script

Cao Wei (Three Kingdoms: 222-280 AD)

Regular script

Modern

 More