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Dictionary of Medieval Names
from European Sources

Warntrude f. A derivative of Old Saxon waru, Old High German wara 'protection, watch' + Proto-Germanic *þrūþ 'strength' or Proto-Germanic *trut 'maiden'.

France
Latin
814 Vuarmetrudis (nom) StVdM-II F17; c823 Warmedrudis (nom) irminon-vol2 35, CE
Cite as: S.L. Uckelman. "Warntrude". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2021, no. 1. http://dmnes.org/2021/1/name/Warntrude.