noun, noun which may take the genitive case particle 'no'
Refers to the period before written records. Often used in academic or formal contexts.
有史以前の遺跡がこの地域で発見された。
Prehistoric ruins were discovered in this area.
有史以前の人類の生活については、考古学から推測するしかない。
We can only infer the lives of prehistoric humans from archaeology.