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Dictionary of Medieval Names
from European Sources

Arntrude f. Old High German, Old Saxon arn 'eagle' + Proto-Germanic *þrūþ 'strength' or Proto-Germanic *trut 'maiden'.

France
Latin
1147 Arentrudis (nom) clairvaux-12thc 19
Cite as: S.L. Uckelman. "Arntrude". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 2. http://dmnes.org/2015/2/name/Arntrude.