What 蚈 means
It is a compatibility form of 蚈.
Taiwan’s Ministry of Education records both senses: firefly in Guangyun, a Chinese rhyme dictionary, and millipede in Lüshi Chunqiu, a classical Chinese text; Han dynasty commentator Gao You gives the latter gloss.
Why does 蚈 map to 蚈?
To retain one source position when text is converted.
The Unicode chart links it to T4-3A75 in plane 4 of Taiwan’s CNS 11643-1992 character set. Keeping that code point lets conversion into Unicode and back recover the original source position.
Will normalization turn 蚈 into 蚈?
Yes. NFKC turns it into 蚈.
NFKC applies the compatibility mapping to 蚈, so use unnormalized text when the original position matters. The standard also lists 蚈 followed by UFE00, a selector that requests this glyph form.
Who writes 蚈
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Related characters
1
Questions people ask
1Why does 蚈 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.
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How to type or find 蚈
- Search it as
- 2f9b8 · 蚈 · 蚈 · 蚈 variant · cns 11643 · t4-3a75
- Shows up in
- Anything that takes text · its shape is whatever your font draws
蚈\2F9B8Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.