What 𬃄 means
Yes; it is recorded in Taiwanese personal names. A Chinese character dictionary notes that use. The Song History (宋史) also gives a Song-dynasty official’s name as 何𬃄. In either context, read it as part of a person’s name, not as “chestnut.”
Questions people ask
1Why does 𬃄 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 𬃄
Windows (Word)
Alt+XType 2C0C4, then Alt+X to get 𬃄.
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “cjk unified ideograph-2c0c4”.
Linux
Ctrl+Shift+UType 2c0c4, then Enter or Space.
HTML
𬃄CSS
\2C0C4Codes and encoding1 code points
HTML decimal
𬃄
HTML hex
𬃄
CSS content
content: "\2C0C4";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%F0%AC%83%84
1
On screen
1
Code points
2
JS .length
4
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.