Where does “disputi” come from?

disputi (Italian) comes from Italian disputare, from Latin disputō, from Latin dis-, from Latin calceus, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

disputi (Italian): second-person singular present of disputare;...

Definitions

second-person singular present of disputare;...

Ancestry of “disputi”, step by step

Step	Language	Word	Meaning
1	Italian	disputare	to dispute, discuss, argue; to compete, contend;...
2	Latin	disputō	to estimate or compute
3	Latin	dis-	asunder, apart, in two; reversal, removal;...
4	Latin	calceus	shoe
5	Latin	calx	limestone; chalk; the finish line
6	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

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