P / ptĭsănārĭum
noun

ptĭsănārĭum

gen. ptĭsănārii · gender neuter · decl. 2nd
a decoction of barley-groats; of rice
a decoction of barley-groats, or, transf., of rice: oryzae, Hor. S. 2, 3, 155; cf. Plin. 18, 7, 13, § 71.