What 듖 means
It joins three Korean letters into one syllable block. The first consonant is ㄷ, the vowel is ㅠ, and the final consonant is ㅈ.
Questions people ask
1Why does 듖 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 듖
Windows (Word)
Alt+XType B4D6, then Alt+X to get 듖.
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 “hangul syllable dyuj”.
Linux
Ctrl+Shift+UType b4d6, then Enter or Space.
HTML
듖CSS
\B4D6Codes and encoding1 code points
HTML decimal
듖
HTML hex
듖
CSS content
content: "\B4D6";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%EB%93%96
1
On screen
1
Code points
1
JS .length
3
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.