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.

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".