- circum-
[circum- 词源字典]
- word-forming element meaning "around, all around, on all sides," from Latin circum- a common element in word-formation, from adverb and preposition circum "around, round about," literally "in a circle," probably accusative form of circus "ring" (see circus). In French, the element became circon-; Kitchin points out that con for cum is common even in classical Latin.[circum- etymology, circum- origin, 英语词源]