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Dictionary of Medieval Names
from European Sources

Heidentrude f. The prototheme is disputed (cf. Brechenmacher s.n. Heidenreich), and may be Old High German heida 'heath, heather' or Old High German heidano 'heathen'. The deuterotheme is Proto-Germanic *þrūþ 'strength' or Proto-Germanic *trut 'maiden'.

Germany
Latin
1258 Heidentrude (abl) hennes-vol1 172
Cite as: S.L. Uckelman. "Heidentrude". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2020, no. 1. http://dmnes.org/2020/1/name/Heidentrude.