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Dictionary of Medieval Names
from European Sources

Nitard m. Proto-Germanic *nīþą 'hate, envy, malice' + Old Saxon hard, Old High German hart 'strong, hard'.

France
Latin
1073 Nitardus (nom) StVdM-II 708
Cite as: S.L. Uckelman. "Nitard". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 1. http://dmnes.org/2016/1/name/Nitard.