Where does “reaalifunktio” come from?

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

reaalifunktio (Finnish): real function

Definitions

real function

Ancestry of “reaalifunktio”, step by step

reaalifunktio traces back through two separate lines of ancestry.

via Finnish reaalinen

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

via Finnish funktio

Step	Language	Word	Meaning
1	Finnish	funktio	function
2	Latin	functiō	performance, execution (of a task)
3	Latin	fungor	I perform, execute, administer, discharge,...
4	Proto-Indo-European	bʰewg-	to flee; to enjoy, benefit

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