Where does “Ostpreußen” come from?

Ostpreußen (German) comes 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.

Ostpreußen (German): East Prussia Province of the Kingdom of Prussia (until 1918) and the Free State of Prussia

Definitions

  1. East Prussia Province of the Kingdom of Prussia (until 1918) and the Free State of Prussia

Ancestry of “Ostpreußen”, step by step

Ostpreußen traces back through two separate lines of ancestry.

via German ōst

StepLanguageWordMeaning
1Germanōstthe east
2Middle High Germanōst—
3Old High Germanōsteast
4Old Norseaustreast
5Proto-Germanicaustrąeast; east, eastward
6Proto-Germanicaustrazeast, eastern
7Proto-Indo-European*h₂éwsterosin the direction of dawn, east

via German Preußen

StepLanguageWordMeaning
1GermanPreußen—
2Middle High GermanPrūzin—

Words derived from “Ostpreußen”

Every word from Proto-Indo-European *h₂éwsteros →Every word from Proto-Germanic austraz →Every word from Proto-Germanic austrą →