subgroup
/ˈsʌbɡruːp/Definitions
1. noun
A subset of a group, especially a smaller group within a larger organization or community
“The project team is divided into several subgroups, each focusing on a different aspect of the development process.”
2. verb
To group or categorize something as a subset of a larger group
“The researcher subgrouped the data to analyze the trends in different regions.”