Noxmusaesic

 is a xenogender

Etymology
Nox-, the Latin word for night, -mus-, from music, and -aesic, meaning related to or of an aesthetic!

Pronunciation
nocks-muse-ay-shik (the “sh” is kinda like a soft j)

Definitions

 * "a gender connected or related to listening to music in the dark/at night! It can be that it feels strongest when listening to music in the dark, the aesthetic, or just The Vibes. This gender can be connected to neurodivergency, but it’s not exclusive!" - The Tumblr galaxy-of-genders.

History
On Oct 30th, 2021, the tumblr blog galaxy-of-genders coined this. In the same post they coined the flag as well.