Where does “quaderna” come from?
quaderna (Vulgar Latin) comes from Latin quaterni, from Latin quater, from Latin quattŭor, from Portuguese quarto, from Old Portuguese quarto, from Latin quārtus, from Proto-Indo-European kʷeturtos, from Proto-Indo-European kʷetwóres — and.
Ancestry of “quaderna”, step by step
Words derived from “quaderna”