The definition of circum means around or about.
(prefix)An example of circum is circumnavigate, which means to go completely around something.
See circum- in Webster's New World College Dictionary
Origin: < L circum, around, about, adv. acc. of circus: see circus
See circum- in American Heritage Dictionary 4
Origin:
Origin: Latin
Origin: , from circum, around
Origin: , accusative of circus, circle; see circle
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