Origin: Greek prefix auto-
Autographed has 2 different meanings across 1 category:
simple past tense and past participle of autograph
"The star signed an autographed copy of his book for every fan in the crowd."
In plain English: To autograph something means to sign it with your own name, usually for someone else to keep as proof you met them or gave permission.
"The star autographed every fan's copy of her new album before leaving the store."
The word autographed comes from combining the term autograph with the suffix -ed to indicate that an action was completed. It simply means having signed one's own name on a document or item.