Where does “preinfective” come from?

preinfective (English) comes from English infective, from English infect, from Middle French infect, from Latin infectus, from Latin īnficiō, from Latin faciō, from Latin -torium, from Latin -tōrius.

Ancestry of “preinfective”, step by step

preinfective traces back through two separate lines of ancestry.

via English infective

StepLanguageWordMeaning
1EnglishinfectiveAble to cause infection; infectious; A person who...
2EnglishinfectTo bring into contact with a substance that...
3Middle Frenchinfect
4Latininfectusnot done, undone; unfinished; impossible
5Latinīnficiōto dip, to dunk, to submerge
6Latinfaciōto do
7Latin-toriumnominative neuter singular of -tōrius; accusative...
8Latin-tōriusory
9Latin-tor-er
10Proto-Italic-tōrForms agent nouns to verb stems
11Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
12Proto-Indo-European-tor-s

via English pre

StepLanguageWordMeaning
1EnglishpreBefore; Precum, Cowper's fluid, pre-ejaculate; To...
2Latinpraebefore; in front; in front of
3Proto-Italicpraibefore; in front of
4Proto-Indo-Europeanpreh₂-before, in front
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European -tor-sEvery word from Latin -toriumEvery word from Latin -tor
preinfective — Etymology, Origin & Word History | Etymology Explorer