Phosarcolorial

 is a gender in the Phosial System that may feel as if it is in, or lit by rainbow light from an ethereal world. It may also be used with other gendered suffixes or subtypes.

Etymology
The term is prefixed by the word "phos", indicating that is it in the Phosial System, followed by the words "arc" and "color", and the suffix "-ial".

Definitions

 *  a gender that is lit by rainbow light from an ethereal world. - Epikulupu, 2022

History
was coined on the Tumblr blog Epikulupu on March 17th, 2022 as part of the Phosial System.