autonym

noun4

1. •
   A name used by a group or category of people to refer to themselves or their language, as opposed to a name given to them by other groups.

   • Deutsche is the autonym of the people known in English as Germans.
2. •
   The true name of a person or other entity, especially an author.
3. •
   An infraspecific name in which the specific epithet is repeated.
4. •
   A work published under the author's true name.