1540s, "a staff used as a weapon," from Fr. batôn "stick, walking stick, staff, club, wand," from O.Fr. baston (12c.) "stick, staff, rod," from L.L. bastum "stout staff," probably of Gaulish origin or else from Gk. *baston "support," from bastazein "to lift up, raise, carry." Meaning "staff carried