prediscovery

/priˈdɪskʌvəri/
noun
  1. A discovery made before a more famous or later discovery; an early finding that precedes a major breakthrough.
    • Her work on bacteria was a prediscovery that later scientists confirmed with better equipment.
    • The ancient map was a prediscovery of the continent long before explorers officially claimed it.
    • The manuscript contained a prediscovery of the laws of motion that predated Newton.
adjective
  1. Occurring or existing before a discovery.
    • Scientists analyzed prediscovery photographs of the comet to track its path.
    • In the prediscovery phase, the team gathered data without knowing what they would find.
    • The prediscovery period was filled with rumors and speculation about the hidden treasure.