Guerro
m.
Latin werra, guerra 'war, retaliation, feud' from Frankish *werra 'riot, disturbance, quarrel'.
Cite as: S.L. Uckelman. "Guerro". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Guerro.