DictionaryRoot: pira nya
Tupi
pira nya
piranha
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noun
piranha
pih-RAH-nuh/pɪˈrɑːnə/
A South American freshwater fish with sharp teeth.
Etymology
The Tupi name pira nya probably means “biting-fish,” with pira meaning “fish.” That probable image emphasizes the biting behavior of this sharp-toothed fish.