Part of speech: Noun
a person who believes in the coming of the millennium (a time of great peace and prosperity)
The word "chiliast" comes from Ancient Greek χῑ́λιοι, which was borrowed from Latin chiliasta.
chilia- – A related word in the same word family.
-ast – A related word in the same word family.
The Greek language preserved ancient Indo-European roots better than most other languages.