Where does “insoluble” come from?

Insoluble comes from Latin insolubilis, formed from the prefix in- and Latin in meaning "not," ultimately from Proto-Indo-European ne, the negative particle.

insoluble (English): That cannot be dissolved; That cannot be solved;...

Definitions

That cannot be dissolved; That cannot be solved;...

Ancestry of “insoluble”, step by step

Step	Language	Word	Meaning
1	Latin	insolubilis	incontestable; indissoluble
2	Latin	solubilis	solvable
3	Latin	solūtiō	The act of loosening or unfastening someone or something; dissolution
4	Latin	-tiō	tion, -ation, -ing
5	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
6	Latin	dissertus	arranged, disposed; explained
7	Latin	disserere	second-person singular future passive indicative...
8	Latin	dis-	asunder, apart, in two; reversal, removal;...
9	Latin	calceus	shoe
10	Latin	calx	limestone; chalk; the finish line
11	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

Words derived from “insoluble”

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