From Wiktionary, the free dictionary
From pre- + mortal.
premortal (not comparable)
- Before the start of life.
2007 December 14, Laurie Goodstein, “Huckabee Is Not Alone in Ignorance on Mormonism”, in New York Times[1]:"Latter-day Saints believe that all of us, Christ included, existed in a premortal existence, as spirits," Mr. Millet said.