Definitions for "Phytonutrient"
(n) [phyto-, plant + nutrient, to feed] any nutrient that is naturally found in plants—particularly those that have special health-enhancing benefits
phyto- as a prefix means "plant". So a phytonutrient would be a nutrient coming from a plant or plants. Can also be used to reference the subject of plant nutrients. prefix plant
Nutritionally-important compounds found only in plants.