"Cah'la-day-E'on'tah" is Spanish. meaning literally,"Face of a tire" , or a black person, a "maiete" a "negro" sometimes a hybrid phrase is used like "llanta-face",meaning tire-face. basically it's a durogatory word mostly used by mexicans to express their hatred and jealousy toward a minority.most likely rooted in freudian, phallus envy.