Dictionary of Medieval Names
from European Sources

Brunwine m. Old English brūn 'brown', from Proto-Germanic brūnaz 'grey, brown' + Old English wine 'friend'.

England
Latin
1189 Brunwine (nom) GASurv p. 104
Cite as: S.L. Uckelman. "Brunwine". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Brunwine.