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. 4. http://dmnes.org/2016/4/name/Piat.