run metal into cracks

To forge  metal  also provides the pronunciation

Components
釒 meaning component

  Meaning component

jīn

  

metal

固 sound,meaning component

  Sound Meaning component

  

to become solid

Evolution

錮 Seal script Shuowen (~100 AD)

Seal script

Shuowen (~100 AD)
錮 Clerical script Western Han dynasty (202 BC-9 AD)

Clerical script

Western Han dynasty (202 BC-9 AD)
錮 Clerical script Eastern Han dynasty (25-220 AD)

Clerical script

Eastern Han dynasty (25-220 AD)
錮 Regular script Modern

Regular script

Modern
Definitions

() 

run metal into cracks; confine; obstinate disease; to restrain; to stop

Most common words with 錮
Freq.
Word
Meaning

禁锢

to confine

to stop