Etherian

Etherian is a xenogender from the element system. It is a combination  of the xenine element alterian (spirit), and the undefined element ventulian (air). It is represented by the element of the ether. The noun form of the word is etheri (ex: I am etheri).

History
Etherian was first known to be coined on January 14th, 2018, along with the flag, but it was likely coined earlier than that on a Google spreadsheet.

Flag
The flag's colors are lilac and blue, representing the ether, with a diamond in the center, representing two triangles together.