from The Century Dictionary.
- Pertaining to or taking place in the circus in Rome, where athletic games of various kinds were practised, as chariot-races, running, wrestling, combats, etc. Circensian games took place in connection with the frequent public festivals.
Sorry, no etymologies found.
The term contorniate is applied to a large circular copper coin with a raised rim, used principally in connection with the circensian games.