Where does “quadrifonico” come from?
quadrifonico (Italian) comes from Italian quadrifonia, from Italian quadr-, from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto, from Latin quārtus, from Proto-Indo-European kʷeturtos, from Proto-Indo-European kʷetwóres — and.
quadrifonico (Italian): quadraphonic
Ancestry of “quadrifonico”, step by step