Origin: Greek suffix -ology
Angelology has 2 different meanings across 1 category:
the branch of theology that is concerned with angels
The study of angels. Angels have been grouped into nine categories or “choirs,” from lowest to highest: angel, virtue, archangel, power, principality, dominion, throne, cherub, and seraph.
This word comes from combining the Greek-derived term "angel" with the suffix "-ology," which means the study of something. It refers to the branch of theology dedicated to studying angels.