Where does “infiltratrice” come from?

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

Ancestry of “infiltratrice”, step by step

StepLanguageWordMeaning
1French-tricefemale equivalent of -teur
2Latin-trīxess, -ress, -trix
3Latincalxlimestone; chalk; the finish line
4Ancient Greekχάλιξsmall stone, pebble; gravel, rubble
Every word from Ancient Greek χάλιξ →Every word from Latin calx →Every word from Latin -trīx →