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Dictionary of Medieval Names
from European Sources

Piat m. Latin piatus 'cleansed'.

The name of a 3rd C saint.

France
Latin
1378 Piato (dat) hanquetvol1 1662
Cite as: S.L. Uckelman. "Piat". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 3. http://dmnes.org/2016/3/name/Piat.