歴れき史し以い前ぜん

noun which may take the genitive case particle 'no'

prehistoric

Refers to the period before written records; used attributively with の.

• この地ち域いきでは歴れき史し以い前ぜんの遺い跡せきが発はっ見けんされた。

  Prehistoric ruins were discovered in this area.