This character is a Other Letter and is mainly used in the Javanese 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. U+A98F forms an orthographic syllable in Brahmic scripts with similar characters, which prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
ꦏ is a syllable in the Javanese script that represents the sound /kɔ/, /ka/. It is transliterated to Latin as "ka", and sometimes in Indonesian orthography as "ko". It has two other forms (pasangan), which are ◌꧀ꦏ and ◌꧀ꦏꦸ (if followed by 'ꦸ' and several other glyphs), but are represented by a single Unicode code point, U+A98F.
Representations
System
Representation (click value to copy)
Nº
43407
UTF-8
EA A6 8F
UTF-16
A9 8F
UTF-32
00 00 A9 8F
URL-Quoted
%EA%A6%8F
HTML hex reference
ꦏ
Wrong windows-1252 Mojibake
ê¦
Encoding: GB18030 (hex bytes)
82 37 91 30
RFC 5137
\u'A98F'
Bash and Zsh inside echo -e
\uA98F
C and C++
\uA98F
C#
\uA98F
CSS
\00A98F
Excel
=UNICHAR(43407)
Go
\uA98F
JavaScript
\uA98F
Modern JavaScript since ES6
\u{a98f}
JSON
\uA98F
Java
\uA98F
Lua
\u{A98F}
Matlab
char(43407)
Perl
"\x{A98F}"
PHP
\u{a98f}
PostgreSQL
U&'\A98F'
PowerShell
`u{A98F}
Python
\uA98F
Ruby
\u{a98f}
Rust
\u{a98f}
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