Where does “calcare” come from?

calcare (Italian) comes from Latin calcō, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

calcare (Italian): limestone

Definitions

calcare traces back through 3 separate lines of ancestry.

Step	Language	Word	Meaning
1	Latin	calcō	to trample, tread on
2	Latin	calx	limestone; chalk; the finish line
3	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

Step	Language	Word	Meaning
1	Latin	calcārius	Of or pertaining to lime
2	Latin	-ārius	er
3	Proto-Italic	*-āzios	Forms relational adjectives to nouns (and rarely numerals)

Step	Language	Word	Meaning
1	Latin	calcāre	—