late 13c., "to bring up, nurture" (a child, a feeling, etc.), from O.Fr. norriss-, stem of norrir (Fr. nourir), from L. nutrire "to feed, nurse, foster, support, preserve," from *nutri (older form of nutrix "nurse"), lit. "she who gives suck," from PIE base *(s)nu- "flow, let flow," hence "to suckle"
nourish nour·ish (nûr'ĭsh, nŭr'-) v.nour·ished, nour·ish·ing, nour·ish·es To provide with food or other substances necessary for sustaining life and growth.