This character is a Other Letter and is mainly used in the Ogham script.
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. The word that U+1682 forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
Luis (ᚂ) is the second letter (Irish "letter": sing.fid, pl.feda) of the Ogham alphabet, derived either from luise "flame" or from lus "herb". Its Proto-Indo-European root was either *leuk- 'to shine' or *leudh- 'to grow'. Its phonetic value is [l]. If the letter name follows the same pattern as ruise to ruis, it is likely that the letter was originally named from luise, though different kennings point to both meanings.
Representations
System
Representation (click value to copy)
Nº
5762
UTF-8
E1 9A 82
UTF-16
16 82
UTF-32
00 00 16 82
URL-Quoted
%E1%9A%82
HTML hex reference
ᚂ
Wrong windows-1252 Mojibake
áš‚
Encoding: GB18030 (hex bytes)
81 34 AC 36
RFC 5137
\u'1682'
Bash and Zsh inside echo -e
\u1682
C and C++
\u1682
C#
\u1682
CSS
\001682
Excel
=UNICHAR(5762)
Go
\u1682
JavaScript
\u1682
Modern JavaScript since ES6
\u{1682}
JSON
\u1682
Java
\u1682
Lua
\u{1682}
Matlab
char(5762)
Perl
"\x{1682}"
PHP
\u{1682}
PostgreSQL
U&'\1682'
PowerShell
`u{1682}
Python
\u1682
Ruby
\u{1682}
Rust
\u{1682}
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