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Dictionary of Medieval Names
from European Sources

Theodegarde f. Gothic þiuda 'people, folk' + Old Saxon gard, Old High German gart 'enclosure, protection; yard, garden'.

France
Latin
c823 Teutgardis (nom) irminon-vol2 38, Palatiolum
Cite as: S.L. Uckelman. "Theodegarde". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Theodegarde.