
BATA = Last name of creator and founder of the city, the industrial Czech Dr. Jan Antonin Bata;
Y = (the Guarani) - (i) water;
PORÃ = (the Guarani) - pretty goodLiterally Batayporã means "Good Water of Bata.
Bata had also founded the cities of Batatuba in 1941, and Bataguaçu in 1942.