Paranaûasu

Old Tupi

Etymology

    From paraná (river) +‎ -ûasu (big).

    Proper noun

    Paranaûasu (Língua Geral Amazônica)

    1. (hapax legomenon) Amazon (a river in northern South America)
      Synonym: Paranapitinga

    References

    • Francisco Xavier Ribeiro Sampaio (17741775) Diario da Viagem da Capitania do Rio Negro (in Portuguese), line LXX; republished Lisbon: Typografia da Academia, 1825, page 26:Paranáuasú [Paranaûasu]