Old Tupi
Etymology
From y (“water, river”) + -gûasu (“big”).
Pronunciation
Noun
ygûasu
- river[1]
Descendants
References
- ^ anonymous author (1622) “Rio, gnlr.”, in Vocabulario na lingoa Braſilica (overall work in Portuguese), Piratininga; republished as Carlos Drummond, editor, Vocabulário na Língua Brasílica, 2nd edition, volume 2, São Paulo: USP, 1953, page 106: “Iggoaçû”