yān, yàn
Evolution

Seal script
Shuowen (~100 AD)
Seal script
Western Han dynasty (202 BC-9 AD)
Clerical script
Eastern Han dynasty (25-220 AD)Regular script
Modernyān, yàn
Seal script
Shuowen (~100 AD)Seal script
Western Han dynasty (202 BC-9 AD)Clerical script
Eastern Han dynasty (25-220 AD)Regular script
Modern