In ancient Persia, eunuchs often served as attendants in the royal harem.

eunuchs 是 eunuch 的复数形式。eunuch 指"宦官"或"阉人"，特指被去势后在宫廷中服侍的男性侍从。这个词源自希腊语，原意是"床的守护者"，因为这类人常被安排在后宫服侍。