Where does “Iguaçu” come from?

Iguaçu (Portuguese) comes from Old Tupi ygûasu, from Old Tupi y — water; river.

Ancestry of “Iguaçu”, step by step

StepLanguageWordMeaning
1Old Tupiygûasuwaterfall; torrent
2Old Tupiywater; river

Words derived from “Iguaçu”

Every word from Old Tupi y →Every word from Old Tupi ygûasu →
Iguaçu — Etymology, Origin & Word History | Etymology Explorer