Online Dictionary

butt (n.3) Explained

butt (n.3) at English => English (English Etymology) Of Explained:

"target of a joke," 1616, originally "target for shooting practice" (1345), from O.Fr. but "aim, goal, end," perhaps from butte "mound, knoll," from Frank. *but (cf. O.N. butr "long of wood"), which would connect it with butt (n.1). ///