-dom

-dom
suff 後缀
1 (with vs and adjs forming ns 与动词和形容词结合构成名词) condition or state of ...的状况或地位: boredom * freedom.
2 (with ns 与名词结合)
(a) rank or domain of ...的职位、 级别、 地位或领域: dukedom
    kingdom.
(b) group of ...的群体: officialdom.

牛津英汉双解词典