- in ancient Rome, a name added to the cognomen, esp. as an epithet honoring some achievement
- a nickname
Origin of agnomenClassical Latin from ad-, to + nomen, name
An additional cognomen given to a Roman citizen, often in honor of military victories.
Origin of agnomenLatin ad- ad- ( influenced by agnōscere to recognize ) nōmen name ; see nō-men- in Indo-European roots.