Webster's Revised Unabridged Dictionary · 1913

Endemic

Endemic , adjective

[Greek {not transcribed}, {not transcribed}; {not transcribed} + {not transcribed} the people: compare French endémique.]

1.
(Medicine) Peculiar to a district or particular locality, or class of persons; as, an endemic disease.

An endemic disease is one which is constantly present to a greater or less degree in any place, as distinguished from an epidemic disease, which prevails widely at some one time, or periodically, and from a sporadic disease, of which a few instances occur now and then.

2.
Belonging or native to a particular people or country; native as distinguished from introduced or naturalized; hence, regularly or ordinarily occurring in a given region; local; as, a plant endemic in Australia; -- often distinguished from exotic.
The traditions of folklore... form a kind of endemic symbolism. — F. W. H. Myers

Also: Endemical

Endemic , noun

(Medicine) An endemic disease.
Fear, which is an endemic latent in every human heart, sometimes rises into an epidemic. — J. B. Heard