máng

point of sword

A metal  blade  also provides the pronunciation

Components
钅 meaning component

  Meaning component

jīn

  

metal

芒 sound,meaning component

  Sound Meaning component

máng

  

silvergrass

Evolution

铓 Clerical script Western Han dynasty (202 BC-9 AD)

Clerical script

Western Han dynasty (202 BC-9 AD)
铓 Traditional script Modern

Traditional script

Modern
铓 Simplified script Modern

Simplified script

Modern
Definitions

() 

máng

point of sword; sharp point