Where does “maracajá” come from?

maracajá (Portuguese) comes from Old Tupi marakaîá, from Proto-Tupi-Guarani *marakaja.

Ancestry of “maracajá”, step by step

Step	Language	Word	Meaning
1	Old Tupi	marakaîá	margay, and similar species, such as the oncilla...
2	Proto-Tupi-Guarani	*marakaja	—