Therefore, "-troph-" generally relates to nourishment, growth, or development.
Here are some examples of words with the root "-troph-":
* Autotroph: An organism that produces its own food (e.g., plants)
* Heterotroph: An organism that consumes other organisms for food
* Eutrophication: Excessive plant and algae growth due to nutrient enrichment
* Atrophy: The wasting away of body tissue or an organ
* Hypertrophy: The enlargement of an organ or tissue due to an increase in the size of its cells
* Tropism: The growth of a plant or other organism in response to a stimulus (e.g., phototropism - growth towards light)
The root "-troph-" can be combined with other prefixes and suffixes to create various words related to nourishment and development.