Where does “Westpreußin” come from?

Westpreußin (German) comes from German Westpreuße, from German West, from Middle High German west, from Old High German west, from Proto-Germanic westrą, from Proto-Germanic westraz, from Proto-Indo-European wek(ʷ)speros, from Proto-Indo-European we-.

Ancestry of “Westpreußin”, step by step

StepLanguageWordMeaning
1GermanWestpreußea person from West Prussia
2GermanWestthe west; a wind coming from the west
3Middle High Germanwestwest
4Old High Germanwestwestward
5Proto-Germanicwestrąwest; west, westward
6Proto-Germanicwestrazwest, western
7Proto-Indo-Europeanwek(ʷ)sperosevening
8Proto-Indo-Europeanwe-
Every word from Proto-Indo-European we-Every word from Proto-Indo-European wek(ʷ)sperosEvery word from Proto-Germanic westraz
Westpreußin — Etymology, Origin & Word History | Etymology Explorer