quadernu

== Sassarese == === Etymology === From Medieval Latin quaternus (“fourfold”), from quater (“four times”), from quattuor (“four”). === Pronunciation === IPA(key): /kwaˈdɛrnu/ === Noun === quadernu m (plural quaderni) notebook === References === Rubattu, Antoninu (2006), Dizionario universale della lingua di Sardegna, 2nd edition, Sassari: Edes