In the Ming dynasty, court eunuchs wielded enormous power.
Tips
usage
宦 rarely stands alone today; learn it through compounds. 宦官 (huànguān) = court eunuch, 宦海 (huànhǎi) = 'sea of officialdom' (the political career), 仕宦 (shìhuàn) = to serve as an official, 宦门 (huànmén) = a family of officials.