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Dictionary of Medieval Names
from European Sources

Cadwethen m. Old Breton, Old Welsh cat 'battle' + Old Breton (g)uethen 'warrior, war'.

France
Latin
833 Catuethen (nom) CartRed V
Cite as: S.L. Uckelman. "Cadwethen". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Cadwethen.