Where does “ugnikalninis” come from?
ugnikalninis (Lithuanian) comes from Lithuanian ugnikalnis, from Lithuanian ugnis, from Proto-Balto-Slavic ungnis, from Proto-Indo-European h₁n̥gʷnis, from Proto-Indo-European h₁engʷ- — to burn; fire.
ugnikalninis (Lithuanian): volcanic
Ancestry of “ugnikalninis”, step by step