ROYGBIV is an acronymic abbreviation.
Acronymic abbreviation is a shortened form of a word or phrase. The words are ususally shortneded using the first word of each letter.
ROYGBIV is an abbreviation for the seven colours of the rainbow. They stand for red, orange, yellow, green, blue, indigo and violet.
To learn more about acronoymic abbreviation, please check: https://brainly.com/question/1246739