liù​shàn​mén

yamen; government departments

六扇门 六扇門 liù​shàn​mén
yamen; government departments
A colloquial term for the six ministries (六部 liù​bù) or their subordinate departments of imperial China, and by extension the government offices or yamen where they were housed (noted for having six doors at the entrance to show authority)
special police force
In martial arts fiction (wuxia), a secret or elite special police force working for the imperial government.