Where does “uost” come from?

uost (Romansch) 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 “uost”, step by step

uost traces back through two separate lines of ancestry.

via Old Dutch ōst

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

via Vulgar Latin agustus

StepLanguageWordMeaning
1Vulgar Latinagustus—
2LatinAugustusvenerable
3Proto-Indo-Europeanh₂ewg-to increase, to enlarge
4Proto-Indo-Europeanh₂weg-to increase, to enlarge
5Proto-Indo-Europeanh₂ug-—

Words derived from “uost”

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