Lewis & Short

myrtātus or murtātus, a, um, adj. [myrtus], seasoned with myrtle or myrtleberries.
Subst.: murtātum, i, n. (sc. farcimen), a kind of pudding: murtatum a murtā, quod ea large fartum, Varr. L. L. 5, § 110 Müll.

    1. 2. A kind of seasoning: form myrtatum, Plin. 15, 29, 35, § 118.