Elaborating on what he already said Margarito Cázares last year, adjective of anthropology, from the Greek apotropaios-on, guardian, protector, which conjures evils of apo - climb, divert, depart, conjure up. He says the gestures, rituals, formulas, objects, amulets, expressions. . those who are among the people a magic power or quasi supernatural to keep away evil or protect any evil action. My perfectly ashore it is customary, especially among women, to say Jesus! When someone sneezes. It is an apotropaic expression.