ocellation

Etymology
From, from + -ation.

Noun

 * 1)  The development of eye-like markings, such as those on the wing of a butterfly or tail of a peacock.
 * 2)  An eye-like marking; ocellus.
 * 1)  An eye-like marking; ocellus.
 * 1)  An eye-like marking; ocellus.