This character is a Nonspacing Mark and is mainly used in the Thaana script.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it acts as Nonspacing Mark. When changing direction it is not mirrored. U+07AC prohibits a line break before it.
The Wikipedia has the following information about this codepoint:
Thaana, Tãnaa, Taana or Tāna ( ތާނަ ) is the present writing system of the Maldivian language spoken in the Maldives. Thaana has characteristics of both an abugida (diacritics, vowel-killer strokes) and a true alphabet (all vowels are written), with consonants derived from indigenous and Arabic numerals, and vowels derived from the vowel diacritics of the Arabic abjad. Maldivian orthography in Thaana is largely phonemic.
Representations
System
Representation (click value to copy)
Nº
1964
UTF-8
DE AC
UTF-16
07 AC
UTF-32
00 00 07 AC
URL-Quoted
%DE%AC
HTML hex reference
ެ
Wrong windows-1252 Mojibake
◌ެ
Encoding: GB18030 (hex bytes)
81 31 AA 38
RFC 5137
\u'07AC'
Bash and Zsh inside echo -e
\u07AC
C and C++
\u07AC
C#
\u07AC
CSS
\0007AC
Excel
=UNICHAR(1964)
Go
\u07AC
JavaScript
\u07AC
Modern JavaScript since ES6
\u{7ac}
JSON
\u07AC
Java
\u07AC
Lua
\u{7AC}
Matlab
char(1964)
Perl
"\x{7AC}"
PHP
\u{7ac}
PostgreSQL
U&'\07AC'
PowerShell
`u{7AC}
Python
\u07AC
Ruby
\u{7ac}
Rust
\u{7ac}
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