Where does “sandproof” come from?

sandproof (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.

sandproof (English): Protecting against, or resistant to, sand

Definitions

  1. Protecting against, or resistant to, sand

Ancestry of “sandproof”, step by step

sandproof 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 sand

StepLanguageWordMeaning
1EnglishsandRock that is ground more finely than gravel, but...
2Middle EnglishsondAlternative form of sand
3Old Englishsandaction of sending, embassy, mission, deputation;...
4Norwegian Nynorsksamdin agreement
5Proto-Germanicsamdazsand
6Proto-Indo-Europeansámh₂dʰossand
7Proto-Indo-Europeansem-together, one
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European por-