Dictionary of Medieval Names
from European Sources

Erchamhar m. Old High German erchan 'sublime, special; chief; genuine, true' + Old High German heri 'host, army'.

France
Latin
c823 Ercanarius (nom) irminon-vol2 112, Palatiolum
Cite as: S.L. Uckelman. "Erchamhar". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Erchamhar.