Jösurrnafnorðkarlkynm. a pr. name, Hdl.; perhaps derived from Norse jase = a hare, Ivar Aasen.Skammstafanir og tilvitnanirm.karlkyn (e. masculine)pr.proper, properly.Hdl.Hyndlu-ljóð. (A. II.)Ivar AasenIvar Aasen’s Dictionary, 1850.