noun
layers of history; ancient strata
Refers to historical or cultural layers accumulated over time, often used in academic or literary contexts to describe deep-rooted traditions or underlying historical foundations.
この地域の祭りには、古層の信仰が色濃く残っている。
In this region's festivals, layers of ancient beliefs remain strongly.
言語の古層を探る研究が進められている。
Research is underway to explore the ancient strata of the language.