Where does “trafikisti” come from?

trafikisti (Finnish) comes from Finnish trafiikki, from Swedish trafik, from Italian traffico, from Vulgar Latin transfricare, from Latin fricō, from Latin frio, from Proto-Italic *friāō.

trafikisti (Finnish): account liaison (officer) person in an advertising agency whose job is to help manage the coordination and communication (traffic) between account managers, the creative staff and the media