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Dictionary of Medieval Names
from European Sources

Winsy m. Old English wine 'friend' + Old English sige 'victory'.

England
Latin
967 Winsige (nom) CDAS DXXXIII
Cite as: S.L. Uckelman. "Winsy". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2018, no. 1. http://dmnes.org/2018/1/name/Winsy.