Dictionary of Medieval Names
from European Sources

Erchamilde f. Old High German erchan 'sublime, special; chief; genuine, true' + Old High German hiltja 'battle'.

France
Latin
c823 Ercanildis (nom) irminon-vol2 59, CE, Hercanildis (nom) ibid. 86, Ved
Cite as: S.L. Uckelman. "Erchamilde". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Erchamilde.