古こ代だい

noun, noun which may take the genitive case particle 'no'

ancient times; antiquity

Refers to the distant past, especially historical periods before the Middle Ages. Often used in academic or formal contexts, but also common in everyday language when discussing history.

• 古こ代だいエジプトの文ぶん明めいはとても興きょう味み深ぶかい。

  The civilization of ancient Egypt is very fascinating.

• この