The compound 'whole-group' is a modern English formation combining two distinct roots to create a specific conceptual term. 'Whole' originates from the Old English 'hāl', which carried the sense of being unhurt, entire, or complete, a meaning preserved in its modern usage. 'Group' entered English in the 17th century from French, tracing back to the Italian 'gruppo', meaning a cluster or knot. When combined, the literal "entire cluster" evolved into an abstract term used primarily in educational, sociological, and organizational contexts to denote an activity involving or a perspective considering all members collectively, as opposed to subgroups or individuals.

Structure: whole (entire) + group (collection) whole: From Old English 'hāl' (sound, entire). Functional role: Adjective/adverb root meaning complete or undivided. group: From Italian 'gruppo', via French 'groupe'. Functional role: Noun root meaning a number of persons or things gathered together.