Type Word & Element Usage Anglo-Saxon Meaning & History Old English word meaning "strength". Related ItemsFamily Tree·Details Other Languages & Culturesþruþi(Frankish) þrūþiz(Old Germanic) drud(Old High German) þrúðr(Old Norse) Given Name DescendantsÆlfþryð, Ælfthryth, Æðelþryð, Æthelthryth, Mildþryð(Anglo-Saxon) Elfreda, Elfrieda, Mildred, Elfrida(English) Elfriede(German) Etheldred, Etheldreda(Medieval English)