Where does “dispostissimo” come from?

dispostissimo (Italian) comes from Italian disposto, from Italian disporre, from Latin dispono, from Latin dis-, from Latin calceus, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

Ancestry of “dispostissimo”, step by step

Step	Language	Word	Meaning
1	Italian	disposto	ready, prepared, willing, inclined, disposed,...
2	Italian	disporre	to place; to arrange; to set out; to organize; to...
3	Latin	dispono	I dispose, distribute or arrange
4	Latin	dis-	asunder, apart, in two; reversal, removal;...
5	Latin	calceus	shoe
6	Latin	calx	limestone; chalk; the finish line
7	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

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