Greenback

The term "greenback" is an ethnic slur for Goblins.

Etymological Roots

The word originates from one of the many possible skin tones for Goblins. It has been noted by scholarsʷʰᵒᵐˢᵗ that Goblin skin tones are a spectrum with no real absolutes, and that the perception of Goblins as green is actually a human bias stemming from depictions of Goblin stock characters in the media.