Dictionary of Medieval Names
from European Sources

Winemund m. Old High German wini 'friend' + Old Saxon mund, Old High German munt 'hand, protection'.

France
Latin
c823 Winemundus (nom) irminon-vol2 37, CE
Cite as: S.L. Uckelman. "Winemund". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Winemund.