Luxian is a xenogender from the element system. It is a combination of the masculine element fervian (fire), and the xenine element alterian (spirit), and is represented by the element of light. The noun form of the word is luxi (ex: I am luxi).
History
Luxian was first known to be coined on January 14th, 2018, along with the flag[1], but it was likely coined earlier than that on a Google spreadsheet[2].
Flag
The flag's colors are yellow and white, the colors of light, with a diamond in the center, representing two triangles together.
Etymology
The word luxian comes from the Latin word lux, meaning "light"[3].