primordial
[ prahy-mawr-dee-uhl ]
constituting a beginning; giving origin to something derived or developed; original; elementary
USE 1
In the documentary, the astronomers discussed the primordial elements that formed just minutes after the Big Bang.
USE 2
The artist’s style is rooted in primordial themes of creation and destruction, which resonate deeply in his abstract paintings.
USE 3
Scientists often study primordial soup, hypothesized to contain the organic compounds that gave rise to life on Earth.