The story
Named after Mao Zedong's directive of 7th May 1966 calling upon all people to study industry, agriculture and military affairs.
First known use, by meaning
- from 20th c. Used attributively to designate various institutions in the People's Republic of China which combine education with manual labour with a view to helping people understand life as a peasant.
Etymology from Wiktionary, CC BY-SA 4.0.