Where does “avvaussõ” come from?

avvaussõ (Votic) comes from Votic avatõ, from Proto-Finnic avait'ak, from Proto-Finno-Ugric aŋa-.

Ancestry of “avvaussõ”, step by step

avvaussõ traces back through two separate lines of ancestry.

via Votic avatõ

StepLanguageWordMeaning
1Voticavatõto open
2Proto-Finnicavait'akto open
3Proto-Finno-Ugricaŋa-

via Votic ussõ

StepLanguageWordMeaning
1Voticussõ
Every word from Proto-Finno-Ugric aŋa-Every word from Proto-Finnic avait'akEvery word from Votic avatõ
avvaussõ — Etymology, Origin & Word History | Etymology Explorer