From Proto-Balto-Slavic *awiś- ~ *awiź-, from Proto-Indo-European *h₂ew-iǵʰ(s)-eh₂, or of non-Indo-European substrate origin.
Cognate with Lithuanian aviža (“oat”), Old Prussian wyse (“oats”), Proto-Slavic *ovьsъ (“oats”), Latin avena.
auzas f (4th declension)
| singular (vienskaitlis) | plural (daudzskaitlis) | |
|---|---|---|
| nominative (nominatīvs) | — | auzas |
| accusative (akuzatīvs) | — | auzas |
| genitive (ģenitīvs) | — | auzu |
| dative (datīvs) | — | auzām |
| instrumental (instrumentālis) | — | auzām |
| locative (lokatīvs) | — | auzās |
| vocative (vokatīvs) | — | auzas |