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Dictionary of Medieval Names
from European Sources
☙

Sinister m. Latin sinister 'left-handed; improper; inauspicious'.

France
Middle French
● 1421 Senestre favier 1325
Cite as: S.L. Uckelman. "Sinister". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Sinister.