A social system; regime.

system; institution

the field, profession, and study of law. The rule of law / a statute / an act of a legislature

rule

prescribe, stipulate

one thing

(law, historical) a set of codes and laws enacted during between the Asuka and Nara periods, influenced by a similar model in Tang-dynasty China

(law, historical, rare) a set of codes and laws enacted during between the Asuka and Nara periods, influenced by a similar model in Tang-dynasty China

(archaic) antique, old-fashioned / (colloquial) ancient

ancient times, antiquity, remote ages