Where does “dwifungsi” come from?

dwifungsi (Indonesian) comes from Indonesian fungsi, from Malay fungsi, from Dutch functie, from French fonction, from Middle French function, from Latin functiō, from Latin -tiō, from Latin dissertātiō — small stone, pebble; gravel, rubble.

dwifungsi (Indonesian): dual function; double acting

Definitions

dual function; double acting

Ancestry of “dwifungsi”, step by step

Step	Language	Word	Meaning
1	Indonesian	fungsi	function
2	Malay	fungsi	function; role
3	Dutch	functie	job, position; function, purpose; function
4	French	fonction	function; role
5	Middle French	function	function what something's intended use is
6	Latin	functiō	performance, execution (of a task)
7	Latin	-tiō	tion, -ation, -ing
8	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
9	Latin	dissertus	arranged, disposed; explained
10	Latin	disserere	second-person singular future passive indicative...
11	Latin	dis-	asunder, apart, in two; reversal, removal;...
12	Latin	calceus	shoe
13	Latin	calx	limestone; chalk; the finish line
14	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

Every word from Ancient Greek χάλιξ →Every word from Latin -tiō →Every word from Latin dis- →