throwback

1. A reversion to an earlier stage of development. (countable, uncountable)
2. A person considered to be primitive, uncivilized and mentally deficient. (countable, uncountable)
3. An organism that has characteristics of a more primitive form. (countable, uncountable)
4. An atavism. (countable, uncountable)
5. A person similar to an ancestor, or something new similar to what already existed. (countable, uncountable)
6. A person or thing that evokes memories. (countable, slang, uncountable)
7. A practice to avoid untaxed nowhere income by instead taxing such income in the originating state for a given transaction. (US, countable, uncountable)

Plural throwbacks