These origins can apply to either systems as a whole, or individual members. As with many things, some system members may not choose to individually identify with any origin.
Aerogenic: Formed due to nature, weather, the environment, etc. (Usually used for system members)
Agenic: Having no origin, or not wanting to find one.
Endogenic: Not formed by trauma.
Quoigenic: Does not know or does not care about origins.
Metagenic: Metaphysical or spiritual origins. Does not have to be tied to a specific religion or practice.
Neurogenic: Formed due to, or to cope with, a mental illness or neurodivergency.
Othergenic: A catch-all term for anything other than Traumagenic and Endogenic. Mostly as a search term so it’s easier to find things that are more specific.
Paragenic: Caused by having Maladaptive Daydreaming Disorder, or similar experiences such as being a Immersive Daydreamer or Neuronarrator.
Solumgenic: Formed due to loneliness. Can be under the traumagenic or endogenic umbrella.
Spontogenic/Spontaneous: Spontaneously created; no particular cause or event that causes it.
Traumagenic: Formed by trauma.