mistĭo — Lewis & Short
mistĭo (mix-), ōnis, f.misceo,
I a mixing (post-Aug.):
aliam mixtionem habet genus avium,Vitr. 1, 4, 7; plur., id. 1, 4, 6; 11.—Transf., concr., a mixture, Pall. 1, 34, 5; 12, 7, 1.