钮

鈕
Niu3
#2,679 most
frequent character
surname Niu

Character breakdown

Source: Make Me a Hanzi.

钮 uses 钅 metal as its meaning part and 丑 chǒu for sound, though the sound link is not clear today. It first meant an official seal, then grew to mean a button, and also a handle or knob.

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Same Characters, Different Readings

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