黃門

Etymology
Established during the Qin and Han Dynasties, the name was changed to 門下省 after the Jin Dynasty. Responsible for proofreading imperial edicts which were drafted in the name of the emperor.

Noun

 * 1)  Edict Examination Bureau (門下省)
 * 2)  a eunuch

Usage notes
During the Eastern Han Dynasty, this position was filled exclusively by eunuchs. As a result, 黃門 eventually became another word for eunuch.