Where does “reaaliaikajärjestelmä” come from?

reaaliaikajärjestelmä (Finnish) comes from Finnish reaaliaika, from Finnish reaalinen, from Latin reālis, from Latin rēs, from Latin vindicatio, from Latin vindicō, from Latin vindex, from Latin dīcō — small stone, pebble; gravel, rubble.

reaaliaikajärjestelmä (Finnish): real-time system

Definitions

real-time system

Ancestry of “reaaliaikajärjestelmä”, step by step

reaaliaikajärjestelmä traces back through two separate lines of ancestry.

via Finnish reaaliaika

Step	Language	Word	Meaning
1	Finnish	reaaliaika	real time
2	Finnish	reaalinen	real
3	Latin	reālis	real
4	Latin	rēs	thing, object, stuff
5	Latin	vindicatio	civil lawsuit; protection, defence; vindication;...
6	Latin	vindicō	to lay claim to as one's own (often with sibi)
7	Latin	vindex	claimant, vindicator
8	Latin	dīcō	to say, talk, speak, utter, mention
9	Latin	-tiō	tion, -ation, -ing
10	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
11	Latin	dissertus	arranged, disposed; explained
12	Latin	disserere	second-person singular future passive indicative...
13	Latin	dis-	asunder, apart, in two; reversal, removal;...
14	Latin	calceus	shoe
15	Latin	calx	limestone; chalk; the finish line
16	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

via Finnish järjestelmä

Step	Language	Word	Meaning
1	Finnish	järjestelmä	system
2	Finnish	järjestää	to arrange; to organize
3	Finnish	järki	reason; sense
4	Proto-Finnic	järki	row; order, condition

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