Moin

Moin, moi or mojnpronunciation; is a Low German, Frisian, High German (moin [moin] or Moin, [Moin]), Danish (mojn) (mòjn) greeting from East Frisia, Northern Germany, the eastern and northern Netherlands, Southern Jutland in Denmark and parts of Kashubia in northern Poland. The greeting is also used in Finnish.

It means "hello" and, in some places, "goodbye" too.