Where does “Rerityba” come from?

Rerityba (Old Tupi) comes from Old Tupi tyba, from Old Tupi -a, from Proto-Tupi-Guarani *-aβ — instrumentalizer suffix.

Ancestry of “Rerityba”, step by step

Rerityba traces back through two separate lines of ancestry.

via Old Tupi tyba

StepLanguageWordMeaning
1Old Tupitybagathering
2Old Tupi-aforms nouns from a word's stem
3Proto-Tupi-Guarani*-aβinstrumentalizer suffix

via Latin reri

StepLanguageWordMeaning
1Latinreripresent active infinitive of reor
Every word from Proto-Tupi-Guarani *-aβ →Every word from Old Tupi -a →Every word from Old Tupi tyba →