Where does “robberproof” come from?

robberproof (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.

robberproof (English): Resistant to robbery

Definitions

  1. Resistant to robbery

Ancestry of “robberproof”, step by step

robberproof 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 robber

StepLanguageWordMeaning
1EnglishrobberA person who robs
2Middle EnglishrobbourA robber or burglar; one who robs or steals
3Old Frenchrobeorthief; burglar; robber
4Old French-eorAlternative form of -or
5Latin-ator-ator, -er; second-person singular future passive...
6Latin-tor-er
7Proto-Italic-tōrForms agent nouns to verb stems
8Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
9Proto-Indo-European-tor-s
Every word from Proto-Indo-European pr̥tós