Ultimately from New Latin autor, from Latin auctor. Compare Latvian autors, Polish autor, German Autor. This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term. Likely borrowed via Polish and/or German but references for that claim would be good.
áutorius m (plural áutoriai, feminine autorė) stress pattern 1
| singular (vienaskaita) | plural (daugiskaita) | |
|---|---|---|
| nominative (vardininkas) | áutorius | áutoriai |
| genitive (kilmininkas) | áutoriaus | áutorių |
| dative (naudininkas) | áutoriui | áutoriams |
| accusative (galininkas) | áutorių | áutorius |
| instrumental (įnagininkas) | áutoriumi | áutoriais |
| locative (vietininkas) | áutoriuje | áutoriuose |
| vocative (šauksmininkas) | áutoriau | áutoriai |