Where does “sapukaîa” come from?

sapukaîa (Old Tupi) comes from Old Tupi gûyrasapukaîa, from Old Tupi -a, from Proto-Tupi-Guarani *-aβ.

Ancestry of “sapukaîa”, step by step

Step	Language	Word	Meaning
1	Old Tupi	gûyrasapukaîa	—
2	Old Tupi	-a	—
3	Proto-Tupi-Guarani	*-aβ	—

sapukaîa — Etymology, Origin & Word History | Etymology Explorer