Moin, moi or mojn is a Low German, Frisian, High German (moin [moin] or Moin, [Moin]),[1] Danish (mojn)[2] (mòjn) greeting from East Frisia, Northern Germany, the eastern and northern Netherlands, Southern Jutland in Denmark and parts of Kashubia in northern Poland.
It means "hello" and, in some places, "goodbye" too.