Where does “Soûerusu” come from?

Soûerusu (Old Tupi) comes from Serbo-Croatian oba-, from Old Tupi îub, from Old Tupi -a, from Old Tupi pó, from Proto-Tupi-Guarani *po, from Proto-Tupian *po — hand.

Ancestry of “Soûerusu”, step by step

StepLanguageWordMeaning
1Serbo-Croatianoba-—
2Old Tupiîubto lie
3Old Tupi-aforms nouns from a word's stem
4Old Tupipóhand
5Proto-Tupi-Guarani*pohand
6Proto-Tupian*pohand
Every word from Proto-Tupian *po →Every word from Old Tupi -a →Every word from Old Tupi îub →