Dictionary of Medieval Names
from European Sources

Acco m. A hypocoristic or diminutive of any of various names deriving from Proto-Germanic *agio 'blade'.

France
Latin
c823 Acco (nom) irminon-vol2 31, CE
Cite as: S.L. Uckelman. "Acco". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Acco.