circa

From Wiktionary

[change] Pronunciation

• (UK) IPA: /ˈsɜːkə/, SAMPA: /"s3:k@/
• (US) IPA: /ˈsɝkə/, SAMPA: /"s3`k@/

[change] Preposition

Preposition circa

1. on or around a particular date

   The city was built circa 1200 BCE.

[change] Synonyms

• about