Where does “floodproof” come from?

floodproof (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.

floodproof (English): Resistant to flooding; To make resistant to...

Definitions

  1. Resistant to flooding; To make resistant to...

Ancestry of “floodproof”, step by step

floodproof 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 flood

StepLanguageWordMeaning
1EnglishfloodA overflow of water from a lake or other body of...
2Middle EnglishflodA waterbody or water in general; A flood; a...
3Old Englishflōdriver, flood
4Proto-West Germanicflōduriver; flood
5Proto-Germanicflōduzriver; flood
6Proto-Indo-Europeanplōw-to flow, swim; to pour, wash
7Proto-Indo-Europeanplew-to fly, flow, run
Every word from Proto-Indo-European pr̥tós
floodproof — Etymology, Origin & Word History | Etymology Explorer