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Dictionary of Medieval Names
from European Sources

Ago m. Proto-Germanic *agio 'blade', or a pet form of any of various names with this as a prototheme.

The name of a 7th C duke of Friulia.

France
Latin
658 Agone (abl) DCEL-2 CCCXXXIII, Agoni (dat) ibid. CCCXXXIII
Italy
Latin
9thCx10thC Aggo (nom) InvLucca1 I
Spain
Latin
899 Agone (abl) CDCB-XV MMXXII
Cite as: S.L. Uckelman. "Ago". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2018, no. 1. http://dmnes.org/2018/1/name/Ago.