Definition of ante Christum natum in US English:

ante Christum natum


  • Especially following (or occasionally preceding) a date or time period: before the birth of Christ; in the time before year 1 of the Christian era.


Mid 17th century; earliest use found in John Gregory (1607–1646), orientalist. From post-classical Latin ante Christum natum from classical Latin ante before + post-classical Latin Christum, accusative of Christus + classical Latin nātum, accusative of nātus born, past participle of nāscī to be born.