Where does “mboi” come from?

mboi (Mbyá Guaraní) comes from Proto-Tupi-Guarani *moj, from Proto-Tupian *moj.

Ancestry of “mboi”, step by step

StepLanguageWordMeaning
1Proto-Tupi-Guarani*mojsnake
2Proto-Tupian*moj
Every word from Proto-Tupian *mojEvery word from Proto-Tupi-Guarani *moj