Meaning

noun the aggregation of things (pedestrians or vehicles) coming and going in a particular locality during a specified period of time

noun buying and selling; especially illicit trade

noun the amount of activity over a communication system during a given period of time

originFrom Middle French trafique, traffique (“traffic”), from Italian traffico (“traffic”) from trafficare (“to carry on trade”). Potentially from Vulgar Latin *trānsfrīcāre (“to rub across”); Klein instead suggests the Italian has ultimate origin in Arabic تَفْرِيق (tafrīq, “distribution, dispersion”), reshaped to match the native prefix tra- (“trans-”). The adjectival sense is possibly influenced by…

Etymology from Wiktionary, CC BY-SA 3.0