Lewis & Short

nūtrībĭlis, e, adj. [nutrio], nourishing, nutritious (post-class.): cibi, Cael. Aur. Tard. 5, 1, 9: nutribiliores suci, id. ib. 5, 10, 126: vina, id. Acut. 2, 37, 212.
Subst.: nūtrī-bĭlia, ium, n., nourishing food, Cael. Aur. Tard. 1, 4, 108.
Hence, adv.: nūtrībĭlĭ-ter, so as to be nourished or reared, Theod. Prisc. 4, 2.