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Dictionary of Medieval Names
from European Sources

Actwin m. Old High German ahta 'attention, reflexion' + Old High German wini 'friend'.

France
Latin
c823 Actoinus (nom) irminon-vol2 63
Cite as: S.L. Uckelman. "Actwin". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 3. http://dmnes.org/2016/3/name/Actwin.