Where does “di- -in” come from?

di- -in (Indonesian) comes from Indonesian di-, from Indonesian -kan, from Malay -kan, from Proto-Malayic *-kən.

Ancestry of “di- -in”, step by step

StepLanguageWordMeaning
1Indonesiandi-dimakan ― to be eaten
2Indonesian-kanUsed to indicate transitive imperative verbs;...
3Malay-kanUsed to indicate transitive imperative verbs;...
4Proto-Malayic*-kən—
Every word from Proto-Malayic *-kən →Every word from Indonesian -kan →Every word from Malay -kan →