Before the dawn of creation, before time and space, there was one thing..
No, it was not Sonic the Hedgehog, contrary to popular fanfics.
It was some sort of energy, but not the kind of energy we are familar with today. We will call it chaos. And within this Chaos Energy we can find properties that is also found in the Icelandic language.
This is the clue to how to cast magic in our world.