circa

circa

[sur-kuh]
preposition, adverb
about: (used especially in) approximate dates: The Venerable Bede was born circa 673. Abbreviation: ca, ca., c., c, cir., circ.

Origin:
1860–65; < Latin: around, about, akin to circus circus

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World English Dictionary
circa (ˈsɜːkə)
 
prep
c., Abbreviation: ca. (used with a date) at the approximate time of: circa 1182 bc.
 
[Latin: about; related to Latin circus circle, circus]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

circa
1861, from L. circa "about."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

circa (sûr'kə)
prep.
Abbr. ca
In approximately; about.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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