
1) About 2) About the time of 3) About the year of 4) About, before a date 5) About, before a year 6) About, chronologically 7) About, date-wise 8) About, datewise 9) About, to a historian 10) About, when naming a date 11) About, year-wise 12) Approximate date 13) Approximately 14) Approximately in dates
Found on
https://www.crosswordclues.com/clue/circa

1) About 2) Around 3) Near
Found on
https://www.crosswordclues.com/clue/circa

Circa ({ety|la||around, about}), usually abbreviated c., ca or ca. (also circ. or cca.), means `approximately` in English, French, Spanish, Italian, Croatian, Serbian, German, Dutch, Romanian, Slovak, Slovenian, Czech, Norwegian, Swedish, and Danish (spelled cirka), usually referring to a date. Circa is widely used in genealogy and historical wr.....
Found on
http://en.wikipedia.org/wiki/Circa
[company] Circa (stylized C1RCA or C1rca) is a skateboard footwear and apparel company that started in 1999 and is based in San Clemente, California. It was started by Four Star Distribution along with Chad Muska as its first professional rider. ==Team== ===Professional=== ===Amateur=== ...
Found on
http://en.wikipedia.org/wiki/Circa_(company)

about; around
Found on
http://phrontistery.info/c.html

circa; c., ca. About, around. Used in giving approximate dates, e.g. 'It happened ca. A.D. 1500.'
Found on
http://www.wordinfo.info/words/index/info/view_unit/3465/3

circa Used before a date to indicate that it is approximate or that it is an estimated date; abbreviated as: ca, ca., c., c, cir., circ.
Found on
http://www.wordinfo.info/words/index/info/view_unit/479/
(ca. or c.) about/approximately/roughly (referring to a quantity, date, time, etc)
Found on
https://www.businessballs.com/glossaries-and-terminology/latin-terms-and-ph

about: (used esp. in) approximate dates:Abbr.: ca, ca., c., c, cir., circ. The Venerable Bede was born circa 673.
Found on
https://www.infoplease.com/dictionary/circa
No exact match found.