What 冬 means
Read it as “winter,” the season.
Oracle-bone records—divination texts carved on bones or shells—use an older 冬 graph for “end”; one account sees a cord tied at both ends. Winter grew from that sense as the year’s final season. Warring States bronze inscriptions add 日 (“day”) for its seasonal use.
Why does 冬 change into 冬?
Normalization maps it to 冬.
NFC can change 冬 to 冬. The standardized sequence 冬︀ (U+51AC U+FE00) preserves the distinct glyph through normalization where fonts and software support it.
A legacy encoding form, not everyday writing.
For winter, use 冬; normalization can turn 冬 into it.
Who writes 冬
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Questions people ask
1Why does 冬 show as a box on some devices?
Not every system ships a font for the CJK Compatibility Ideographs Supplement block. Where none is installed, the character shows as an empty box; adding a font such as Noto fixes it. The character itself is still correct and copies correctly.
How to type or find 冬
- Search it as
- winter · cns11643 · t6-223c · html entity
- Shows up in
- Anything that takes text · its shape is whatever your font draws
冬\2F81A冬 as a numeric character reference.Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

