Dictionary of Medieval Names
from European Sources

Agenilde f. Old French agin lengthened from Proto-Germanic *agio 'blade' + Old High German hiltja 'battle'.

England
Latin
1189 Agenild (nom) GASurv p. 214, Agnild (nom) ibid. p. 166
France
Latin
c823 Agenildis (nom) irminon-vol2 51
Cite as: S.L. Uckelman. "Agenilde". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Agenilde.