Yours, Etc.: Origins and Uses of 8 Sign-Offs
1610s, from Medieval Latin alimentarius "pertaining to food," from Latin alimentum "nourishment," from alere "to nourish, rear, support, maintain," from PIE root *al- "to grow, nourish" (see old).
alimentary al·i·men·ta·ry (āl'ə-měn'tə-rē, -trē)
Concerned with food, nutrition, or digestion.