Yours, Etc.: Origins and Uses of 8 Sign-Offs
late 14c., from Old French nutritif and directly from Medieval Latin nutritivus "nourishing," from past participle stem of Latin nutrire "to nourish" (see nourish).
nutritive nu·tri·tive (nōō'trĭ-tĭv, nyōō'-)adj.
Of or relating to nutrition.