Where does “caatinga” come from?

caatinga (Portuguese) comes from Old Tupi ka'atinga, from Old Tupi -a, from Old Tupi pó, from Proto-Tupi-Guarani *po, from Proto-Tupian *po — hand.

caatinga (Portuguese): caatinga sparse, thorny wooded biome of northeastern Brazil

Definitions

  1. caatinga sparse, thorny wooded biome of northeastern Brazil

Ancestry of “caatinga”, step by step

StepLanguageWordMeaning
1Old Tupika'atingacaatinga
2Old Tupi-aforms nouns from a word's stem
3Old Tupipóhand
4Proto-Tupi-Guarani*pohand
5Proto-Tupian*pohand
Every word from Proto-Tupian *po →Every word from Old Tupi -a →Every word from Proto-Tupi-Guarani *po →