Definition of ante Christum in English:

ante Christum

adverb

historical
rare
  • Following (or occasionally preceding) a date or time period: before the birth of Christ; in the time before year 1 of the Christian era. Abbreviated A.C.

Origin

Mid 17th century; earliest use found in John Gadbury (1627–1704), astrologer. From post-classical Latin ante Christum from classical Latin ante before + post-classical Latin Christum, accusative of Christus.

Pronunciation

ante Christum

/ˌanteɪ ˈkrɪstəm//ˌantɪ ˈkrɪstəm/