Where does “razionalizzamento” come from?

razionalizzamento (Italian) comes from Italian razionalizzare, from Italian razionale, from Latin rationalis, from Latin ratiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere — small stone, pebble; gravel, rubble.

Ancestry of “razionalizzamento”, step by step

Step	Language	Word	Meaning
1	Italian	razionalizzare	to rationalize
2	Italian	razionale	rational
3	Latin	rationalis	accounts; rational, reasonable, of or possessing...
4	Latin	ratiō	reason, reasoning, explanation, ground, motive, rationality, rationale, purpose
5	Latin	-tiō	tion, -ation, -ing
6	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
7	Latin	dissertus	arranged, disposed; explained
8	Latin	disserere	second-person singular future passive indicative...
9	Latin	dis-	asunder, apart, in two; reversal, removal;...
10	Latin	calceus	shoe
11	Latin	calx	limestone; chalk; the finish line
12	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

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