P / peplĭum
noun

peplĭum

gen. peplii · gender neuter · decl. 2nd
a medicinal plant; a species of spurge
a medicinal plant, a species of spurge, prob. the Euphorbia esula, Linn.; Cael. Aur. Acut. 2, 19, 115; id. Tard. 4, 6, 89.