Where does “Aracaju” come from?

Aracaju (English) comes from Portuguese Aracaju, from Old Tupi Arákaîu, from Old Tupi akaîu, from Proto-Tupi-Guarani *akaju.

Ancestry of “Aracaju”, step by step

Step	Language	Word	Meaning
1	Portuguese	Aracaju	—
2	Old Tupi	Arákaîu	—
3	Old Tupi	akaîu	cashew apple
4	Proto-Tupi-Guarani	*akaju	—

Aracaju — Etymology, Origin & Word History | Etymology Explorer