Primaeval | Definition of Primaeval by Merriam-Webster.

What is the meaning of Primaeval?

adjective. us. /prɑɪˈmi·vəl/ existing at or from a very early time; ancient: primeval forests.

What does the term autochthonous mean?

1 : indigenous, native an autochthonous people autochthonous plants. 2 : formed or originating in the place where found autochthonous rock an autochthonous infection.