Where does “diskusikan” come from?

diskusikan (Indonesian) comes from Indonesian diskusi, from Dutch discussie, from Middle French discussion, from Old French discussion, from Latin discussiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus — small stone, pebble; gravel, rubble.

Ancestry of “diskusikan”, step by step

Step	Language	Word	Meaning
1	Indonesian	diskusi	discussion
2	Dutch	discussie	discussion, debate
3	Middle French	discussion	discussion
4	Old French	discussion	discussion
5	Latin	discussiō	shaking
6	Latin	-tiō	tion, -ation, -ing
7	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
8	Latin	dissertus	arranged, disposed; explained
9	Latin	disserere	second-person singular future passive indicative...
10	Latin	dis-	asunder, apart, in two; reversal, removal;...
11	Latin	calceus	shoe
12	Latin	calx	limestone; chalk; the finish line
13	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

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