Where does “intersubstitution” come from?

intersubstitution (English) comes from English substitution, from Middle French substitution, from Latin substitutio, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere, from Latin dis- — small stone, pebble; gravel, rubble.

intersubstitution (English): The act of intersubstituting

Definitions

The act of intersubstituting

Ancestry of “intersubstitution”, step by step

intersubstitution traces back through two separate lines of ancestry.

via English substitution

Step	Language	Word	Meaning
1	English	substitution	The act of substituting or the state of being...
2	Middle French	substitution	—
3	Latin	substitutio	substitution
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

via English inter

Step	Language	Word	Meaning
1	English	inter	To bury in a grave; To confine, as in a prison
2	Middle English	enteren	—
3	French	entrer	to enter
4	Middle French	entrer	to enter
5	Old French	entrer	to enter
6	Latin	intrō	to enter, go into, come in, get in, penetrate
7	Latin	intra	within; inside; during; less than
8	Latin	interus	—
9	Proto-Indo-European	h₁énteros	inside, within
10	Proto-Indo-European	-teros	Contrastive or oppositional adjectival suffix

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