Where does “memperbaiki” come from?

memperbaiki (Indonesian) comes from Indonesian baik, from Malay baik, from Proto-Malayic *bait.

Ancestry of “memperbaiki”, step by step

memperbaiki traces back through two separate lines of ancestry.

via Indonesian baik

StepLanguageWordMeaning
1Indonesianbaikgood; decent; okay
2Malaybaikgood; okay; decent
3Proto-Malayic*bait

via Indonesian memper- -i

StepLanguageWordMeaning
1Indonesianmemper- -i
Every word from Proto-Malayic *bait