Answer:
The word root "gen" means "birth," and the suffix "-ous" means "having the quality of something."
Explanation:
The way a student can justify his inference that the word "indigenous" means "originating from a particular region" is by the use of their root words.
First, the root word "gen" means birth which signifies origin.
Next, the suffix "-ous" means the quality of something so when combined together, they would mean, a person that originates from a particular region