IPA: /ɪˈrɪθrɪzəm/
KK: /ɪˈrɪθrɪzəm/
A condition where there is an unusual amount of red color in hair or feathers.
The bird's erythrism made its feathers stand out in the green forest.
Erythrism is formed from "erythros" (meaning red) and the suffix "-ism" (indicating a condition or state). The term refers to a condition characterized by a reddish coloration, particularly in animals or plants.
Think of 'erythros' meaning red, and remember that 'erythrism' refers to a condition of being red.