Reclassify (verb)

1. To arrange or organize something into groups again.
2. To classify something a second time.

Origin:

From the prefix "re-" meaning "again" or "back" and the word "classify" which means "to arrange or organize something into groups".

Examples:

1. The library reclassified its books according to new classification system.
2. The company reclassified its products according to customer feedback.
3. The government reclassified the documents as secret.
4. The school reclassified the students according to their academic performance.
5. The scientist reclassified the species according to new genetic research.