Where does “appattasaʼ” come from?

appattasaʼ (Makasar) comes from Makasar aʼ-, from Proto-Malayo-Polynesian *maʀ-.

Ancestry of “appattasaʼ”, step by step

Step	Language	Word	Meaning
1	Makasar	aʼ-	derivational prefix forming intransitive verbs from nouns and other roots
2	Proto-Malayo-Polynesian	*maʀ-	—