adjective

1. native to a particular country, nation, or region: said of plants, animals, and, sometimes, customs, etc.
2. constantly present in a particular region: said of a disease that is generally under control

Etymology: Fr endémique < endémie, endemic disease < Gr endēmia, a dwelling in < endēmos, native < en-, in + dēmos, the people: see democracy

noun

1. an endemic plant or animal
2. an endemic disease