CIRCA
Meaning of CIRCA in English
/ ˈsɜːkə; NAmE ˈsɜːrkə/ preposition
(from Latin ) ( abbr. c ) (used with dates) about :
born circa 150 BC
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WORD ORIGIN
mid 19th cent.: Latin .
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005