What is the “root word” of the word imperialism?

Answer 1

"Imperious" comes from "imperial," which means "of an empire." (An "empire," in turn, is a political structure in which a single ruler controls not only his or her own state but many other territories as well. Examples are the Roman Empire and British empire.)

Answer 2

The root word of Imperialism is 'imper'. This is derived from the Latin word 'imperare', which means to rule, command, or govern.

Answer 3

The root word of "imperialism" is "imperial".