autograph

auto- +‎ -graph. From Latin autographum, in turn from Ancient Greek αὐτόγραφον (autógraphon, “a writing in one’s own hand”).

autograph (plural autographs)

1. A person’s own handwriting, especially the signature of a famous or admired person.
2. A manuscript in the author’s handwriting.

• (person’s own handwriting or signature): signature, inscription
• (manuscript in author’s hand): protograph, holograph, archetype, original

autograph (not comparable)

1. Written in the author’s own handwriting.

autograph (third-person singular simple present autographs, present participle autographing, simple past and past participle autographed)

1. (transitive) To sign, or write one’s name or signature on a book etc
2. (transitive) To write something in one's own handwriting