Meaning of -DOM in English

-DOM

[-dom] n suffix [ME, fr. OE -dom; akin to OHG -tuom -dom, OE dom judgment--more at doom] 1 a: dignity: office "dukedom" b: realm: jurisdiction "kingdom"

2: state or fact of being "freedom"

3: those having a (specified) office, occupation, interest, or character "officialdom"

Merriam-Webster English vocab.      Английский словарь Merriam Webster.