Where does “quadricuspid” come from?
quadricuspid (English) comes from English quadri-, from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto, from Latin quārtus, from Proto-Indo-European kʷeturtos, from Proto-Indo-European kʷetwóres, from Proto-Indo-European kʷe- — and.
quadricuspid (English): Having four cusps
Ancestry of “quadricuspid”, step by step