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+1693 forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
Eadhadh is the Irish name of the nineteenth letter of the Ogham alphabet, ᚓ. In Old Irish, the letter name was Edad. Its phonetic value is [e]. The original meaning of the letter name is unknown, but it is likely an artificially altered pairing with Idad, much like Gothic pairþra, qairþra.
Representations
System
Representation (click value to copy)
Nº
5779
UTF-8
E1 9A 93
UTF-16
16 93
UTF-32
00 00 16 93
URL-Quoted
%E1%9A%93
HTML hex reference
ᚓ
Wrong windows-1252 Mojibake
áš“
Encoding: GB18030 (hex bytes)
81 34 AE 33
RFC 5137
\u'1693'
Bash and Zsh inside echo -e
\u1693
C and C++
\u1693
C#
\u1693
CSS
\001693
Excel
=UNICHAR(5779)
Go
\u1693
JavaScript
\u1693
Modern JavaScript since ES6
\u{1693}
JSON
\u1693
Java
\u1693
Lua
\u{1693}
Matlab
char(5779)
Perl
"\x{1693}"
PHP
\u{1693}
PostgreSQL
U&'\1693'
PowerShell
`u{1693}
Python
\u1693
Ruby
\u{1693}
Rust
\u{1693}
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