Originally Posted by
Cleretic
Specifically, their language (seen both in their own names and the names of Toto-Rak and Tam-Tara) is based on the Ainu, an indigenous people of Japan. In-universe the language might have been appropriated from the Duskwight of Gelmorra, but I don't recall where exactly that notion came from. They also started happening after the people that would become the original Gridanian settlers made a pact with the Elementals; it wasn't that the Elementals went 'okay, those guys that're already around, those are our guys'.