belonging to a particular people or native to a particular region; not introduced or naturalized
endemic diseases
an endemic species of plant
regularly occurring in or associated with a particular topic, sphere of activity, etc
endemically adv
endemicity /-ʹmisiti/ noun
endemism /ʹendəmiz(ə)m/ noun
[French endémique from Greek endēmos, from en-2 + dēmos people, populace]