cognomen.
A personal epithet or clan name added to the given name and family name of Ancient Romans.
Meaning & usage
A personal epithet or clan name added to the given name and family name of Ancient Romans.
Julius Caesar's actual name was Gaius Iulius Caesar. Gaius was his praenomen or forename, Iulius his nomen or surname, and Caesar his cognomen, denoting which part of the Iulius family he belonged to.
Synonym of nickname, any epithet used similar to the Roman cognomina.
Synonym of surname, a family name.
Where this word comes from
From Latin cognōmen, from con- (“with”) + nōmen (“name; family name”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.