subgroup
UK: ˈsʌbɡruːp | US: ˈsʌbɡruːp
n. a smaller group within a larger group, often sharing specific characteristics or functions.
The word "subgroup" combines the Latin prefix "sub-" (meaning "under" or "secondary") with the Old French-derived noun "group" (from Italian "gruppo," meaning "a cluster or collection"). The prefix "sub-" implies a hierarchical or subordinate relationship, while "group" retains its core meaning of a collective unit. This logical pairing reflects the word's function in describing a smaller, specialized division within a broader category.
The research focused on a subgroup of patients with rare genetic mutations.
Each subgroup in the organization has its own leader.
The committee divided into smaller subgroups to tackle specific issues.
Children were assigned to subgroups based on their reading levels.
The study identified a key subgroup that responded exceptionally well to the treatment.