Endogenic

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Endogenic is an umbrella term that refers to all systems that are not completely traumagenic in origin. Often shortened to "endo", it encompasses many experiences. It is often seen as the opposite to the pathologized views of plurality, although can exist in harmony, even within the same system.

Related Terms
There are many subtypes of endogenic plurality, including those of a metaphysical nature, purposely created through tulpamancy, or existing since the beginning. There is also mixed-origin, or a label unsurprisingly describing plurality with multiple origins.

History
The creation of this term can be found on this Tumblr blog in mid-2014, in addition to other terms that have not picked up much steam. Beyond the original coiner's creation, it has come to mean anything not-traumagenic.