Game of Thrones is finally back for its eighth and final season, and with it comes a journey back into one of the show’s coolest non-dragon elements: Its use of language. David J. Peterson has spent years crafting the Dothraki and High Valyrian languages for Game of Thrones, and may or may not have been approached…
Source: https://io9.gizmodo.com/game-of-thrones-david-peterson-discusses-using-language-1834087678