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Dictionary of Medieval Names
from European Sources

Hartmut m. Old Saxon hard, Old High German hart 'strong, hard' + Old High German muot 'spirit; courage, boldness'.

Germany
Latin
1218 Hartmudus (nom) hennes-vol1 30; 1225 Hartmodus (nom) ibid. 67; 1253 Hartmudus (nom) ibid. 145; 1276 Hartmudus (nom) ibid. 251; 1281 Hartmudus (nom) UrkHeil1 31a; 1283 Hartmudum (acc) hennes-vol1 289; 1300 Hartmudi (gen) ibid. 346
Middle High German
1293 Hartmut (nom) UrkHeil1 53, Hartmuͦt (nom) ibid. 51
Cite as: S.L. Uckelman. "Hartmut". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2019, no. 1. http://dmnes.org/2019/1/name/Hartmut.