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Dictionary of Medieval Names
from European Sources

Arner m. Old High German, Old Saxon arn 'eagle' + Old High German heri 'host, army'.

Brabant
Latin
1312 Arnerinus (nom) JeanIII p. 4
France
Latin
848 Arnarius (nom) CartNoaille III
Cite as: A. Brown, S.L. Uckelman. "Arner". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2020, no. 1. http://dmnes.org/2020/1/name/Arner.