Aingender (shortened to AIN) is a umbrella term for all genders which are aporine in nature. It may be used as aingender, or simply used as "ain" to describe that "someone's gender is ain".[1]
History
The term was coined by anonymous individual via ask of Tumblr blog ask-pride-color-schemes, posted on February 21, 2018.[2]
Aingender flag was coined by Mod AP at Beyond-Mogai-Pride-Flags on June 26, 2018.[3]