Stratogender is a naturogender defined as a gender with different layers. It could also possibly be used for cloud/skykin.
Etymology
Strato-, which ultimately stems from the Latin stratus [1], refers to the stratosphere, an atmospheric layer of the Earth [2].
History
Stratogender was coined on August 31, 2014 by an anonymous coiner on the tumblr blog purrloinsucks. The flag was created on September 6, 2015 by Pride-Flags on Deviantart