Where does “lapidatrice” come from?

lapidatrice (Italian) comes from Italian -trice, from Latin -trīx, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

lapidatrice (Italian): polisher (machine used to polish gemstones or metal surfaces)

Definitions

Step	Language	Word	Meaning
1	Italian	-trice	Used to form the feminine of nouns and adjectives...
2	Latin	-trīx	ess, -ress, -trix
3	Latin	calx	limestone; chalk; the finish line
4	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble