Eventian

Eventian is an anterian term from the galactian alignment system, describing someone who is partially singularian. It means partly rejecting any and all ties to binary genders without exception, being partly unaligned or experiencing a partial genderless alignment.

It's also known as demisingularian, demivoidarian, semisingularian, semivoidarian, hemisingularian and hemivoidarian.

History
The term was coined by Tumblr users mogai-trender-sideblog and beyond-mogai-pride-flags on March 5, 2021.

Flag
Its flag was posted at the same time. The colors are from singularian flag, but more pastel and clear. The symbol is a black semicircle, as singularian is a black circle.

Etymology
The name is based on event horizon.