懂中文 Dong Chinese

鐓

duì, dūn

ferrule

Evolution

鐓 Seal script Shuowen (~100 AD)

Seal script

Shuowen (~100 AD)
Definitions

镦 (鐓) 

duì

ferrule; castrate

镦 (鐓) 

dūn

upsetting (forged pieces)