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Dictionary of Medieval Names
from European Sources
☙

Cadhoiarn m. Old Breton, Old Welsh cat 'battle' + Old Breton (ho)iarn 'iron'.

France
Latin
● 833 Cathoiarn (nom) CartRed VIII; 833x834 Cathoiarn (nom) ibid. IX
Cite as: S.L. Uckelman. "Cadhoiarn". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2020, no. 1. http://dmnes.org/2020/1/name/Cadhoiarn.