circular
/θiɾkuˈlaɾ/ · B1 · verb
to go round, move around
🚗 circular = circle + -ar: to go round in a circle
From Latin circulus, little ring, the same root as English circle, circus and circulate. Cars circulan on a road. A police officer saying ¡Circulen! means move along, which is where the scram sense comes from.