noun
plotting to damage an imperial palace or tomb
Archaic legal term from the ritsuryō codes, classified as one of the eight grave offenses (八虐). Refers specifically to conspiracy against imperial structures.
See also: 八虐
謀大逆は律令制における重罪の一つで、皇居や陵墓への危害を企てることを指した。
謀大逆 was one of the serious crimes under the ritsuryō system, referring to plotting harm against the imperial palace or tombs.