庚午年籍こうごねんじゃく

noun

Kōgo register; Japan's first census register (670)

Historical term referring to the family register created in 670 CE, used as a basis for later legal and social status distinctions.

• 庚午年籍こうごねんじゃくは、天てん智じ天皇てんのうの時じ代だいに作さく成せいされた日本にほん最さい初しょの戸こ籍せきである。

  The Kōgo register is Japan's first census register, created during the reign of Emperor Tenji.