锢

錮
gù
#3,939 most
frequent character
obstinate disease, to restrain

Character breakdown

Source: Make Me a Hanzi.

锢 joins 钅 metal with 固 gù, which supplies the sound. It first meant sealing gaps with melted metal. That grew to 'to stop up' and then 'to restrain'.

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Homophones

顾gù
look at, look after, attend
故gù
"., . so"
雇gù
to hire
估gù
used in 估衣[gu4yi5]
固gù
hard, strong, solid, sure, assuredly

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