Where does “antiinfection” come from?

antiinfection (English) comes from English infection, from Old French infection, from Latin infectio, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere, from Latin dis- — small stone, pebble; gravel, rubble.

antiinfection (English): Preventing or counteracting infection

Definitions

Preventing or counteracting infection

Ancestry of “antiinfection”, step by step

antiinfection traces back through two separate lines of ancestry.

via English infection

Step	Language	Word	Meaning
1	English	infection	The act or process of infecting; An uncontrolled...
2	Old French	infection	infection
3	Latin	infectio	infection
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 anti

Step	Language	Word	Meaning
1	English	anti	Opposed to something; That has a torsion angle...
2	English	anti-	Against, hostile to; Contrasting with the norm;...
3	Ancient Greek	ἀντι-	anti-, against; like, reminiscent of
4	Ancient Greek	ᾰ̓ντῐ́	opposite

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