Proper noun
Elfdalian
English Wikipedia has an article on:ElfdalianWikipedia
A linguistic variety of the Scandinavian language continuum spoken in the old parish of Övdaln in Sweden.
Synonym: Övdalian
By playing the world-famous computer game, children in Älvdalen will also be able to learn Elfdalian grammar, words, and pronunciation, but the game will also teach players about culture and history. Source: Internet
Now Pennington is working full time on the project which he is leading with Stjernfeldt, with help from three American women and a boy from Västerbotten in northern Sweden, who share their passion for both Elfdalian and Minecraft. Source: Internet