Where does “kehilangan” come from?

kehilangan (Indonesian) comes from Malay ke- -an, from Proto-Malayic *kə- -an, from Proto-Austronesian *ka- -an.

kehilangan (Indonesian): loss

Definitions

kehilangan traces back through two separate lines of ancestry.

Step	Language	Word	Meaning
1	Malay	ke- -an	ness; appended to adjectives to form nouns meaning "the state of (the adjective)", "the quality of (the adjective)", or "the measure of (the adjective)"
2	Proto-Malayic	*kə- -an	—
3	Proto-Austronesian	*ka- -an	—

Step	Language	Word	Meaning
1	Malay	hilang	to lose; to disappear; to vanish
2	Classical Malay	hilang	—