Nomigenic

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Nomigenic is an origin term for a headmate that formed due to a system member using and/or having a strong connection with a name, causing a headmate to form from said name. This may also apply to a headmate who formed separately, but developed a strong attachment to a certain name, and it became part of their identity.

Similar Terms
Multinomigenic is the same, but for multiple names.

History
The term, along with its flag, were coined by Tumblr user reflectionlessraven on July 23rd, 2022.