Derek

Derek is an English name derived from the Low German form Diederik, itself a short form of the Germanic name Theodoric, composed of the elements theud meaning people or nation and ric meaning power or ruler. The name was introduced to England through Flemish settlers during the medieval period and gained steady popularity in the twentieth century, particularly in Britain. Theodoric, the famous Ostrogothic king who ruled Italy in the late fifth and early sixth centuries, stands as one of the most historically prominent bearers of the root name. Related forms include Derrick, Derk, Dirk, and Theodoric.