nutrient (n.)youdaoicibaDictYouDict[nutrient 词源字典]
"a nutritious substance," 1828, noun use of adjective (1640s) meaning "providing nourishment," from Latin nutrientem (nominative nutriens), present participle of nutrire "to nourish, suckle, feed, foster" (see nourish).[nutrient etymology, nutrient origin, 英语词源]