Astrumgender

Astrumgender is a xenogender that is connected to stars and/or constellations. An astrumgender individual may feel like their gender is like lights in a void, or that a light is bursting from within them.

History
This term was coined by Tumblr user angelknivesmogai on June 22nd, 2020.

Flag
The flag was coined alongside the term, on the same date by the same person.

Resources:
https://lgbtqiarchive.tumblr.com/post/621638858212245504/astrumgender