Where does “preinfectious” come from?

preinfectious (English) comes from English pre, from Latin prae, from Proto-Italic prai, from Proto-Indo-European preh₂-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

preinfectious (English): Prior to an infectious phase

Definitions

  1. Prior to an infectious phase

Ancestry of “preinfectious”, step by step

preinfectious traces back through two separate lines of ancestry.

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

via English infectious

StepLanguageWordMeaning
1EnglishinfectiousTransmitted from one person to another, usually...
Every word from Proto-Indo-European pr̥tós