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c.1400, from Latin aggregatum, neuter past participle of aggregare (see aggregate (adj.)). Related: Aggregated; aggregating.
"number of persons, things, etc., regarded as a unit," early 15c., from noun use of Latin adjective aggregatum, neuter of aggregatus (see aggregate (adj.)).
aggregate ag·gre·gate (āg'rĭ-gĭt)
Crowded or massed into a dense cluster. n.
A total considered with reference to its constituent parts; a gross amount in a mass or cluster. v. ag·gre·gat·ed, ag·gre·gat·ing, ag·gre·gates (-gāt')
To gather into a mass, sum, or whole.