Where does “indirizzario” come from?

indirizzario (Italian) comes from Italian indirizzo, from Italian indirizzare, from Vulgar Latin indirectiare, from Vulgar Latin directiare, from Latin dīrectus, from Latin dīrigō, from Latin dis-, from Latin calceus — small stone, pebble; gravel, rubble.

indirizzario (Italian): mailing list; address book

Definitions

mailing list; address book

Ancestry of “indirizzario”, step by step

Step	Language	Word	Meaning
1	Italian	indirizzo	address; drift; first-person singular present of...
2	Italian	indirizzare	to address
3	Vulgar Latin	indirectiare	—
4	Vulgar Latin	directiare	—
5	Latin	dīrectus	laid straight, arranged in lines, having been arranged in lines
6	Latin	dīrigō	to lay straight; arrange in lines (especially in military contexts)
7	Latin	dis-	asunder, apart, in two; reversal, removal;...
8	Latin	calceus	shoe
9	Latin	calx	limestone; chalk; the finish line
10	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

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