Where does “Aracaju” come from?

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

Ancestry of “Aracaju”, step by step

StepLanguageWordMeaning
1PortugueseAracaju—
2Old TupiArákaîu—
3Old Tupiakaîucashew apple
4Proto-Tupi-Guarani*akajucashew
Every word from Proto-Tupi-Guarani *akaju →Every word from Old Tupi akaîu →Every word from Old Tupi Arákaîu →