DuckCorp Dico

Found one definition

1.                 From Japanese-German FreeDict Dictionary ver. 0.2.0:
                   
   
   
                   
                     
    [news2]  [nf37]  済み /mˈi/,  (irregular okurigana usage)  済 /(en)tʃˈaɪniːz(ja)lˈe̞tə/,  [news2]  [nf37]  ずみ /zˈɯᵝmi/, すみ /sˈɯᵝmi/
   (noun, used as a suffix)
    (noun (common) (futsuumeishi))
    (pronounced ずみ only when a suffix)
   erledigt, abgeschlossen, beendet, (n) OK