[f. prec. + -DOM.] = ARCHDUCHY.
1530. Palsgr., 195/1. Archedukedome, archeduché.
1579. J. Stubbes, Gaping Gulf, C vij. Moe countyes then king Phillip had archdukedomes.
1792. W. Guthrie’s Syst. Mod. Geog. (ed. 5), I. 513 (T.). Austria is but an archdukedom.
