This page is historical. Follow this link for the current version.
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 2018, no. 1. http://dmnes.org/2018/1/name/Cadwethen.