紀き元げん後ご

noun, adverb

post-era; after the epoch

Used in historical or chronological contexts to refer to the period after a specific era or epoch, often in contrast to 紀元前 (pre-era). Can function as a noun or adverbially.

• この遺い跡せきは紀き元げん後ごのものだ。

  These ruins are from the post-era period.

• 紀き元げん後ごの歴れき史しを研けん究きゅうしている。

  I am researching post-era history.