This character is a Other Letter and is mainly used in the Hangul script. The character is also known as U.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it is written from left to right. When changing direction it is not mirrored. U+116E forms a Korean syllable block with similar characters, which prevents a line break inside it. The glyph can be confused with 24 other glyphs.
The Wikipedia has the following information about this codepoint:
ㅜ (u) is one of the Korean hangul.
Representations
System
Representation (click value to copy)
Nº
4462
UTF-8
E1 85 AE
UTF-16
11 6E
UTF-32
00 00 11 6E
URL-Quoted
%E1%85%AE
HTML hex reference
ᅮ
Wrong windows-1252 Mojibake
á…®
alias
U
Encoding: GB18030 (hex bytes)
81 33 A8 36
RFC 5137
\u'116E'
Bash and Zsh inside echo -e
\u116E
C and C++
\u116E
C#
\u116E
CSS
\00116E
Excel
=UNICHAR(4462)
Go
\u116E
JavaScript
\u116E
Modern JavaScript since ES6
\u{116e}
JSON
\u116E
Java
\u116E
Lua
\u{116E}
Matlab
char(4462)
Perl
"\x{116E}"
PHP
\u{116e}
PostgreSQL
U&'\116E'
PowerShell
`u{116E}
Python
\u116E
Ruby
\u{116e}
Rust
\u{116e}
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