Where does “individualiste” come from?

individualiste (French) comes from French individuel, from Medieval Latin individualis, from Latin indīviduum, from Latin indīviduus, from Latin dīviduus, from Latin dīvidō, from Latin dis-, from Latin calceus — small stone, pebble; gravel, rubble.

Ancestry of “individualiste”, step by step

Step	Language	Word	Meaning
1	French	individuel	individual
2	Medieval Latin	individualis	—
3	Latin	indīviduum	—
4	Latin	indīviduus	—
5	Latin	dīviduus	—
6	Latin	dīvidō	—
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 →