Knights and Chivalry Chivalry was a system of ethical ideals developed among the knights of medieval Europe. Arising out of the feudalism of the period, it combined military virtues with those of Christianity, as epitomized by he Arthurian legend in England and the chansons de geste of medieval France. The word chivalry is derived from the French chevalier, meaning horseman or knight. Chivalry was the code of conduct by which knights were supposedly guided. In addition to military prowess and valor and loyalty to God and the knight's feudal lord, it called for courtesy toward enemies and generosity toward the sick and oppresse