Autogender is a gender experience that is deeply connected and personal to ones self, it is the gender counterpart to autosexual that can't be described with existing terms as of how deeply personal the experience is. It may be used interchangebly with egogender.
History
The term was coined by Tumblr user nandbaremyfavouriteletters on the 10th of January, 2016.
Flag
The Autogender flag was coined by an unknown at an unknown time.
Etymology
The prefix comes from the Greek term 'auto', meaning 'self'.