bimillenial

/baɪˈmɪləniəl/
adjective
  1. Relating to a period of two thousand years or a two-thousandth anniversary.
    • The bimillenial festival honored the city's ancient roots.
    • The bimillenial celebration featured historical reenactments.
    • Scholars discussed the bimillenial impact of the Roman Empire.
Synonyms
What does "bimillenial" mean? | whatsthatwordmean | whatsthatwordmean