yūmbăk : magic, putting magic into meat, etc. (Ngalbaitch; Bates XII 2B, 7a)
yūmp : magic, putting magic into meat, etc. (Ngalbaitch; Bates XII 2B, 7a)
yuump, yuupp : magic, magic bundle of feathers or hair for sorcery (Von Brandenstein 1988: 144)