Where does “fleaproof” come from?

fleaproof (English) comes from English proof, from Middle English proof, from Old French prove, from Latin proba, from Latin probāre, from Latin probō, from Latin Probus, from Proto-Indo-European pro-bhwo- — passed , crossed.

fleaproof (English): Resistant to fleas

Definitions

  1. Resistant to fleas

Ancestry of “fleaproof”, step by step

fleaproof traces back through two separate lines of ancestry.

via English proof

StepLanguageWordMeaning
1EnglishproofAn effort, process, or operation designed to...
2Middle Englishproof
3Old Frenchprove
4Latinprobatest, trial; proof, evidence
5Latinprobāre
6Latinprobōto approve, permit, commend
7LatinProbusgood, serviceable, excellent, superior, able
8Proto-Indo-Europeanpro-bhwo-being in front, prominent
9Proto-Indo-Europeanpro-toward, forward
10Proto-Indo-Europeanpor-to give birth; forward, through; going, passage
11Proto-Indo-Europeanper-before, in front; first; to go through
12Proto-Indo-Europeanpr̥tóspassed , crossed

via English flea

StepLanguageWordMeaning
1EnglishfleaA small, wingless, parasitic insect of the order...
2Middle Englishfleflea
3Old Englishflēa
4Proto-West Germanicflauhflea
5Proto-Germanicflauhazflea
6Proto-Indo-Europeanplówkos
7Proto-Indo-Europeanplúsisflea
Every word from Proto-Indo-European pr̥tós