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Dictionary of Medieval Names
from European Sources

Nemoy m. Polish nie 'not' + Polish mój 'mine'.

This name is a so-called "substitutional name", given to a child instead of a real name to deflect attention from evil powers.

Czech Republic
Latin
1349 Nemoy (nom) chlumecky 19
Cite as: S.L. Uckelman. "Nemoy". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 3. http://dmnes.org/2016/3/name/Nemoy.