Where does “Petrolândia” come from?

Petrolândia (Portuguese) comes from Latin Petrus, from Indonesian penembak, from Indonesian tembak, from Malay tembak, from Malay timbak, from Proto-Malayic timbak, from Proto-Malayo-Polynesian ti(m)bak.

Ancestry of “Petrolândia”, step by step

StepLanguageWordMeaning
1LatinPetrusPeter
2Indonesianpenembakshooter
3Indonesiantembakto shoot to fire a shot
4Malaytembakto shoot
5MalaytimbakObsolete form of tembak
6Proto-Malayictimbak—
7Proto-Malayo-Polynesianti(m)bak—
Every word from Proto-Malayo-Polynesian ti(m)bak →Every word from Proto-Malayic timbak →Every word from Malay timbak →