Where does “индивидуум” come from?

индивидуум (Russian) comes from Latin indīviduum, from Latin indīviduus, from Latin dīviduus, from Latin dīvidō, from Latin dis-, from Latin calceus, from Latin calx, from Ancient Greek χάλιξ — small stone, pebble; gravel, rubble.

индивидуум (Russian): individual

Definitions

individual

Ancestry of “индивидуум”, step by step

Step	Language	Word	Meaning
1	Latin	indīviduum	atom
2	Latin	indīviduus	not divided, indivisible
3	Latin	dīviduus	divisible
4	Latin	dīvidō	to divide, separate
5	Latin	dis-	asunder, apart, in two; reversal, removal;...
6	Latin	calceus	shoe
7	Latin	calx	limestone; chalk; the finish line
8	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

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