This character is a Other Letter 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 is written as Arabic letter from right to left. When changing direction it is not mirrored. The word that U+078F forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
Gnaviyani (sometimes spelt Nyaviyani) can refer to:
Gnaviyani Atoll, an administrative division of the Maldives.
Gnaviyani ( ޏ ), the 16th consonant of the Thaana alphabet used in Dhivehi. It is located between letters Gaafu and Seenu.
Representations
System
Representation (click value to copy)
Nº
1935
UTF-8
DE 8F
UTF-16
07 8F
UTF-32
00 00 07 8F
URL-Quoted
%DE%8F
HTML hex reference
ޏ
Wrong windows-1252 Mojibake
Þ
Encoding: GB18030 (hex bytes)
81 31 A7 39
RFC 5137
\u'078F'
Bash and Zsh inside echo -e
\u078F
C and C++
\u078F
C#
\u078F
CSS
\00078F
Excel
=UNICHAR(1935)
Go
\u078F
JavaScript
\u078F
Modern JavaScript since ES6
\u{78f}
JSON
\u078F
Java
\u078F
Lua
\u{78F}
Matlab
char(1935)
Perl
"\x{78F}"
PHP
\u{78f}
PostgreSQL
U&'\078F'
PowerShell
`u{78F}
Python
\u078F
Ruby
\u{78f}
Rust
\u{78f}
Click the star button next to each label to set this representation as favorite or remove it from the favorites. Favorites will be shown initially. (Favorites are stored locally on your computer and never sent over the internet.)