The story
From proto- + imperialist.
First known use, by meaning
- 20th c. Of or pertaining to proto-imperialism; relating to precapitalist policies that are invasive or exploitative of foreign lands.
- 20th c. Someone who promotes proto-imperialism; somebody who advocates precapitalist policies that are invasive or exploitative of foreign lands.
Etymology from Wiktionary, CC BY-SA 4.0.