iritis

Term: iritis 

Literally meaning: “inflammation of iris”

Origin: Anc Greek

ίρις/ιris(=rainbow, iris)>ίριδος/iridos
+(-ίτις)(modern Greek -ίτιδα)/-ites (= suffix which is used with the fem noun η νόσος/ e nosos/(=disease),  denoting  “inflammation of”. 

Coined/History
Ίρις/Iris(mythology)(=Iris was the Greek  goddess of the rainbow giving her name to the eye’s iris due to its many colours ).

Definition

Iritis is the inflammation of iris the pigmented circular curtain that surrounds pupil.