Where does “keterserakan” come from?

keterserakan (Indonesian) comes from Indonesian terserak, from Indonesian ter-, from Malay ter-, from Classical Malay ter-, from Proto-Malayic tAr-, from Proto-Malayo-Polynesian taʀ-, from Proto-Austronesian taʀ-.

Ancestry of “keterserakan”, step by step

keterserakan traces back through two separate lines of ancestry.

via Indonesian terserak

StepLanguageWordMeaning
1Indonesianterserak
2Indonesianter-for passive intransitive verb, agentless actions,...
3Malayter-agentless actions, such as those which are...
4Classical Malayter-for passive intransitive verb, agentless actions,...
5Proto-MalayictAr-
6Proto-Malayo-Polynesiantaʀ-
7Proto-Austronesiantaʀ-

via Indonesian ke- -an

StepLanguageWordMeaning
1Indonesianke- -anness; appended to adjectives to form nouns meaning "the state of (the adjective)", "the quality of (the adjective)", or "the measure of (the adjective)"
2Malayke- -anness; appended to adjectives to form nouns meaning "the state of (the adjective)", "the quality of (the adjective)", or "the measure of (the adjective)"
3Proto-Malayic*kə- -an
4Proto-Austronesian*ka- -an
Every word from Proto-Austronesian taʀ-Every word from Indonesian ter-Every word from Malay ter-