What 胝 means
It names a callus: skin hardened by friction or pressure.
Chinese uses 胼胝 for callused skin linked to farming, service, or hardship. The compound appears in Warring States writing; the Eastern Han dictionary Shuowen glosses 胝 with 腄.
In 胼手胝足, callused hands and feet stand for hard labor and endurance. 胼胝体 names the corpus callosum, the nerve bundle connecting the brain's halves. Japanese also uses 胼胝 for a callus, read たこ.
Who writes 胝
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Questions people ask
1Why does 胝 show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type or find 胝
- Search it as
- 胝 · callus · 胼胝 · 胼手胝足 · 胼胝体 · zhī · たこ
- Shows up in
- Anything that takes text · its shape is whatever your font draws
胝\80DDzhi and choose 胝.Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.


