Input (grade 7): Fenianos, E. (/O2003/O) Almanaque Kur 'yt' yba, Curitiba: Univer Cidade, p. 6 The other version, also from the Tupi language, comes from the combination of kurit (pine tree) and yba (large amount).
Output (grade 8): The other reason, also from the Tupi language, comes from the joining of kurit ("pine tree") and yba ("large amount").