Where does “avust” come from?

avust (Romansch) comes from Vulgar Latin agustus, from Latin Augustus, from Proto-Indo-European h₂ewg-, from Proto-Indo-European h₂weg-, from Proto-Indo-European h₂ug-.

Ancestry of “avust”, step by step

StepLanguageWordMeaning
1Vulgar Latinagustus—
2LatinAugustusvenerable
3Proto-Indo-Europeanh₂ewg-to increase, to enlarge
4Proto-Indo-Europeanh₂weg-to increase, to enlarge
5Proto-Indo-Europeanh₂ug-—
Every word from Proto-Indo-European h₂ug- →Every word from Proto-Indo-European h₂weg- →Every word from Proto-Indo-European h₂ewg- →