The story
- Latinmīlle
- Latinmīllēnus
- Late Latinmillenarius
- English todaymillenarian
From Late Latin millenarius + English -an.
First known use, by meaning
- from 17th c. Pertaining to the belief in an impending period of one thousand years of peace and righteousness associated with the Second Coming of Christ and his reign on earth.
- from 20th c. Pertaining to any of various religious or social movements which believe in a coming or ongoing radical change to existing world order.
Etymology from Wiktionary, CC BY-SA 4.0.