A fourth name added to the three usual Roman names; typically given to honor an achievement or family connection.
From Latin 'agnomen' literally meaning 'an additional name,' from 'ad-' (to, toward) plus 'nomen' (name). Romans added this as an honor, like a title.
Julius Caesar's full name was Gaius Julius Caesar, but his agnomen 'Caesar' (meaning 'hairy') became so famous that people forgot his actual praenomen—showing how achievement can overshadow identity itself.
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