Where does “oost” come from?

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

Ancestry of “oost”, step by step

StepLanguageWordMeaning
1Old Dutchōst
2Old Norseaustreast
3Proto-Germanicaustrąeast; east, eastward
4Proto-Germanicaustrazeast, eastern
5Proto-Indo-European*h₂éwsterosin the direction of dawn, east

Words derived from “oost

Every word from Proto-Indo-European *h₂éwsteros