Endogender

Endogender is a gender for when one's gender is fluid or fluctuating, but is always at least somewhat related to a given gender(s). For example, one could always be, at least partially masculine (endoboy or marfluid), feminine (endogirl or venufluid), androgynous (endoandrogyne or eafluid), or non-binary/neutral genders (endononbinary or eafluid) whilst being fluid in some way.

History & Flags
The term was coined by a unknown user. The endogender, endoboy, and endogirl flags were designed by nova-pride-flags on Tumblr. The endoandrogyne flag was designed by Kalliepride on Tumblr.

The alternate endogirl flag was designed by Pride-Flags on DeviantArt on August 14, 2015. The outer pinks represents Femininity. The light lavender in the middle is a mix of pink, blue, and grey to represent people who shift to partially feminine/masculinie/genderless/nonbinary feeling.

Etymology
Endogender is from the Latin root “endo” meaning “within”.

Resources
4. Endogirl (1) by Pride-Flags on DeviantArt