DUKE

DUKE. 1 . Ly dgate and other old writers employ this word in its etymological sense of leader. In Capgrave's Chronicle, under the year 1381, Ave read: "In this yere, in the month of May, the Comones risen ageyn the King .... Her dvl;e Avas Wat Tyler, a proud knave and malapert." 2. Camden makes it a nickname of Marmaduke.

Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.