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Dictionary of Medieval Names
from European Sources

Ecco m. A pet form of any of various names beginning with either Old High German ecka 'edge, corner' or Proto-Germanic *agio 'blade'.

Austria
Latin
935 Eccho (nom) UrkStyria 21
Cite as: S.L. Uckelman. "Ecco". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2019, no. 1. http://dmnes.org/2019/1/name/Ecco.