It was added to Unicode 3.2, but the symbol has been present in works prior to its release.
Its HTML entity reference, originally defined in ISO 9573-13, is ⍼.
[3] It is unknown why Monotype added the character, or what purpose it was intended to serve,[8][7] although much of Monotype's character repertoire for movable type originated from customer requests, including corporate logos.
[9] The STIX Fonts project adopted the Angzarr symbol from the ISO's SGML characters.
[11] The lack of meaning associated with the Angzarr symbol gained notoriety in 2022 when a blog post was published on its unknown origins.