circa

/ˈsɜrkə/
preposition
  1. Used before a date or number to show that it is not exact; approximately.
    • She was born circa 1985, though no one knows the exact year.
    • The painting was created circa 1500.
    • The manuscript dates from circa 1200 AD.
Antonyms
What does "circa" mean? | whatsthatwordmean | whatsthatwordmean