overpopulate

verb

cause the population to be too great

Wiktionary

verb

Etymology: Etymology tree Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Germanic *uber Old English ofer- Middle English over- English over- English populate English overpopulate From over- + populate.

To fill with too many individuals; to exceed the capacity of a region to contain the population.