This character is a Other Symbol and is mainly used in the Coptic script.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it acts as Other Neutral. When changing direction it is not mirrored. The word that U+2CEA forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
The Coptic script is the script used for writing the Coptic language, the most recent development of Egyptian. The repertoire of glyphs is based on the uncial Greek alphabet, augmented by letters borrowed from the Egyptian Demotic. It was the first alphabetic script used for the Egyptian language. There are several Coptic alphabets, as the script varies greatly among the various dialects and eras of the Coptic language.
Representations
System
Representation (click value to copy)
Nº
11498
UTF-8
E2 B3 AA
UTF-16
2C EA
UTF-32
00 00 2C EA
URL-Quoted
%E2%B3%AA
HTML hex reference
⳪
Wrong windows-1252 Mojibake
⳪
Encoding: GB18030 (hex bytes)
81 38 D5 32
RFC 5137
\u'2CEA'
Bash and Zsh inside echo -e
\u2CEA
C and C++
\u2CEA
C#
\u2CEA
CSS
\002CEA
Excel
=UNICHAR(11498)
Go
\u2CEA
JavaScript
\u2CEA
Modern JavaScript since ES6
\u{2cea}
JSON
\u2CEA
Java
\u2CEA
Lua
\u{2CEA}
Matlab
char(11498)
Perl
"\x{2CEA}"
PHP
\u{2cea}
PostgreSQL
U&'\2CEA'
PowerShell
`u{2CEA}
Python
\u2CEA
Ruby
\u{2cea}
Rust
\u{2cea}
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