Etymology

From Proto-Germanic *þiudiskaz ‎(“of or relating to a people”), from Proto-Germanic *þeudō ‎(“people, nation”), from Proto-Indo-European *tewtéh₂ ‎(“people”). Akin to Old High German þiutisc ‎(“popular language”), diutisk (German deutsch), Old Frisian thiōsk, Old Saxon thiudisk, Dutch Duits, Diets, Old Norse þýzkr, Gothic 𐌸𐌹𐌿𐌳𐌹𐍃𐌺𐍉 ‎(þiudiskō). More at Dutch.