ancient court ceremony of inspecting official attendance records
Archaic historical term referring to a specific ritual in the imperial court where the Emperor reviewed attendance and absence records of officials. Not used in modern Japanese outside historical or academic contexts.
"Kōsaku" is one of the court ceremonies derived from ancient Chinese institutions.
From Chinese 告朔 (gàoshuò), referring to the ancient ritual of announcing the new moon and inspecting attendance. The exact historical derivation in Japanese is uncertain; the term is preserved in classical texts.