Where does “instigatrix” come from?

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

instigatrix (English): female equivalent of instigator

Definitions

female equivalent of instigator

Ancestry of “instigatrix”, step by step

Step	Language	Word	Meaning
1	Latin	instigatrix	—
2	Latin	-trīx	ess, -ress, -trix
3	Latin	calx	limestone; chalk; the finish line
4	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

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