Tenebrian

Tenebrian is a xenogender from the element system. It is a combination of the feminine element eluvian (water), and the xenine element alterian (spirit). It is represented by the element of shade. The noun form of the word is tenebri (ex: I am tenebri).

History
Tenebrian 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 purple and black, representing shade, with a diamond in the center, representing two triangles together.

Etymology
The word tenebrian comes from the Latin word tenebrae, meaning "darkness" or "shadows".