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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 2018, no. 1. http://dmnes.org/2018/1/name/Erchamilde.