Where does “thiefproof” come from?

thiefproof (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.

thiefproof (English): secure against thieves

Definitions

  1. secure against thieves

Ancestry of “thiefproof”, step by step

thiefproof 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 thief

StepLanguageWordMeaning
1EnglishthiefOne who carries out a theft; One who steals...
2Middle ScotstheifA criminal or villain; a malicious or lawbreaking person
3Middle EnglishþefAlternative form of thef
4Old Englishþēofthief
5Proto-West Germanicþeubthief
6Proto-Germanicþeubazthief
7Proto-Indo-Europeantewpó-
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European por-