autograph
n. countable B1 Intermediate US //ˈɔtəˌɡɹæf// UK //ˈɔːtəɡɹˌæf// au·to·graph Informal
n. a person's signature, especially when written for fans or collectors.
n. a signature, typically of a famous person, given to admirers or kept as a collectible item.
She asked the singer for an autograph.
The museum displays an autograph from the famous painter.
Collectors prize the autograph not merely for its ink but for the historical moment it captures.
From Latin autographum, in turn from Ancient Greek αὐτόγραφον (autógraphon, “a writing in one’s own hand”). Equivalent to auto- + -graph.