autograph

Etymology

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

noun

1. A person’s own handwriting, especially the signature of a famous or admired person.
   Some autograph-hunters were pestering the players after the game.
2. (by extension, colloquial) A person's signature used as a mark of formal approval.
   If you could just put your autograph on the ol' contract, please...
3. A manuscript in the author’s handwriting.

adj

1. Written in the author’s own handwriting.
2. (art) Made by the artist himself or herself; authentic.
   Schiff […] believes most of the drawings are autograph. 1979, Nancy L Pressly, The Fuseli Circle in Rome, Yale Center for British Art, p. 37
   Not surprisingly, he attributed to Kauffman two important works that are no longer accepted as autograph. 1992, Malise Forbes Adam, Mary Mauchline, edited by Wendy Wassyng Roworth, Angelica Kauffman, Reaktion Books, published 1992, page 116

verb

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