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Dictionary of Medieval Names
from European Sources

Arthfael m. Old Breton arth 'bear' + Old Breton mael 'prince, noble, lord'.

The name of a legendary king of the Britons and an early 6th C Breton saint.

France
Latin
833 Arthmael (nom) CartRed V
Cite as: S.L. Uckelman. "Arthfael". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2018, no. 1. http://dmnes.org/2018/1/name/Arthfael.