Ilúvatar

Ilúvatargender (also known as Quendi) is an Kingender exclusively for Tolkien Elfkin.

Ilúvatar is defined as " an Quendigender only found among Elves such as Tolkien Elves. A non Elfkin wouldn’t be able to fully understand.”

Quendi can be used as a prefix to other genders (e.g. Quendigirl, Quendiboy etc)

Term
This term was coined on November 30, 2020 by Discord user named ShivaGhost

Flag
The flag colors is White, Silver, Dark green and light green, plus the Elven star.

The meanings are currently unknown