Where does “carrefour” come from?
carrefour (French) comes from Old French quarrefourc, from Latin quādrifurcus, from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto, from Latin quārtus, from Proto-Indo-European kʷeturtos, from Proto-Indo-European kʷetwóres — and.
carrefour (French): crossroads
Ancestry of “carrefour”, step by step