Latin word circa comes from Latin circus.
Circa detailed word origin explanation
|circus || Latin (lat) ||A circular line or orbit; circle, ring. A racecourse or space where games are held, especially one that is round. The spectators in a circus; a circus. |
|circum || Latin (lat) ||About, around, near. Nearby, at, in the neighbourhood of. Through, among, to About, around. In a circle, all around, on both sides. |
|circa || Latin (lat) ||Around; about Around; near; about. Regarding, concerning. |
Words with the same origin as circa