Where does “ostpreußisch” come from?

ostpreußisch (German) comes from German Ostpreußen, from German ōst, from Middle High German ōst, from Old High German ōst, from Old Norse austr, from Proto-Germanic austrą, from Proto-Germanic austraz, from Proto-Indo-European *h₂éwsteros — in the direction of dawn, east.

ostpreußisch (German): East Prussian

Definitions

  1. East Prussian

Ancestry of “ostpreußisch”, step by step

StepLanguageWordMeaning
1GermanOstpreußenEast Prussia Province of the Kingdom of Prussia (until 1918) and the Free State of Prussia
2Germanōstthe east
3Middle High Germanōst
4Old High Germanōsteast
5Old Norseaustreast
6Proto-Germanicaustrąeast; east, eastward
7Proto-Germanicaustrazeast, eastern
8Proto-Indo-European*h₂éwsterosin the direction of dawn, east
Every word from Proto-Indo-European *h₂éwsterosEvery word from Proto-Germanic austrazEvery word from Proto-Germanic austrą