FromProto-Balto-Slavic*auˀis, fromProto-Indo-European*h₂éwh₂os(“grandfather”).
Cognates includeOld Prussianawis(“uncle”);Russianуй(uj),Serbo-Croatianујак,ujak <Proto-Slavic*ujь(“maternal uncle”), etc.
The suffix-ýnas is of unclear formation. It may be linked to the identical suffix inseserýnas(“relative on the sister's side”),brolýnas(“relative on the brother's side”). Compare alsoBulgarianу́йна(újna,“aunt, uncle's wife”),Russian dialectalдя́д-ина(djád-ina,“uncle's wife”).
Further-n- extensions to the root*h₂ewh₂- can be found inLatinavunculus(“maternal uncle”),Bretoneontr(“uncle”),Welshewythr(“uncle”).
avýnas m stress pattern 1
| singular (vienaskaita) | plural (daugiskaita) | |
|---|---|---|
| nominative(vardininkas) | avýnas | avýnai |
| genitive(kilmininkas) | avýno | avýnų |
| dative(naudininkas) | avýnui | avýnams |
| accusative(galininkas) | avýną | avýnus |
| instrumental(įnagininkas) | avýnu | avýnais |
| locative(vietininkas) | avýne | avýnuose |
| vocative(šauksmininkas) | avýne | avýnai |