prelife
1 of 2adjective
pre·life ˌprē-ˈlīf 
variants or pre-life
1
: of, relating to, or occurring during the time preceding the first appearance of life on earth
theories on Earth's prelife atmosphere
2
: of, relating to, or occurring during a prelife
It never fails to amaze me how much food is available. I guess I have some pre-life memory of a time of real hunger in Russia or Israel or somewhere.
Benjamin J. Stein
Benjamin J. Steinprelife
2 of 2noun
variants or pre-life
plural prelives or pre-lives
: a life conceived as lived before one's present life
having a belief in a prelife
compare afterlife 
Word History
First Known Use
Adjective
1937, in the meaning defined at sense 1
Noun
1970, in the meaning defined above