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Dictionary of Medieval Names
from European Sources

Agerbert m. Proto-Germanic *agio 'blade' lengthened to Old French ag(e)r + Old High German beraht, Old Saxon berht 'bright' from Proto-Germanic *berhtaz.

France
Latin
519 Ecreberti (nom) CartYonne1 I
Cite as: S.L. Uckelman. "Agerbert". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2018, no. 1. http://dmnes.org/2018/1/name/Agerbert.