How, apparently, did Greenland acquire its name?

Oh, I got to say Greenland was not ice, it was grass until a mountain erupted, causing it to become ice and Iceland from ice to grass

How did Iceland gets its name : The Vikings : I found ice, Let's name it Iceland! How Greenland gets its name : The Vikings : I found grass, Lets name it Greenland! Netherlands : None so it comes from the nether 😂😂😂