先せん土ど器き時じ代だい

noun

preceramic period

Historical term for the period before pottery was used in Japan, corresponding roughly to the Paleolithic era.

• 先せん土ど器き時じ代だいの遺い跡せきから石せっ器きが発はっ見けんされた。

  Stone tools were discovered at a site from the preceramic period.