Where does “crackproof” come from?

crackproof (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.

crackproof (English): Resistant to cracking

Definitions

  1. Resistant to cracking

Ancestry of “crackproof”, step by step

crackproof 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 crack

StepLanguageWordMeaning
1EnglishcrackTo form cracks; To break apart under pressure; To...
2Middle Englishcrakloud conversation, bragging talk
3Old Norsekrákacrow
4Proto-Germanic*krakǭ
5Proto-Germanickrakōnąto crack; crackle; shriek
6Proto-Indo-Europeanǵerh₂-to grow old, to mature
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European por-