Where does “quadrimestrale” come from?
quadrimestrale (Italian) comes 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, from Proto-Indo-European kʷe- — and.
quadrimestrale (Italian): four-monthly; four-month
Ancestry of “quadrimestrale”, step by step
Words derived from “quadrimestrale”