 The ideal of chivalry as the ethos of the Christian warrior, and the transmutation of the term "knight" from the meaning "servant, soldier", and of "chevalier" "mounted soldier", to refer to a member of this ideal class, is significantly influenced by the Crusades, on one hand inspired by the military orders of monastic warriors, and on the other hand also cross-influenced by Islamic (Saracen) ideals of "furusiyya".The institution of knights was already well-established by the 10th century.While the knight was essentially a title denoting a military office, the term could also be used for positions of higher nobility such as landholders.