Where does “failproof” come from?
failproof (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.
failproof (English): Resistant to failure; that cannot go wrong
Definitions
- Resistant to failure; that cannot go wrong
Ancestry of “failproof”, step by step
failproof traces back through two separate lines of ancestry.
via English proof
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | proof | An effort, process, or operation designed to... |
| 2 | Middle English | proof | — |
| 3 | Old French | prove | — |
| 4 | Latin | proba | test, trial; proof, evidence |
| 5 | Latin | probāre | — |
| 6 | Latin | probō | to approve, permit, commend |
| 7 | Latin | Probus | good, serviceable, excellent, superior, able |
| 8 | Proto-Indo-European | pro-bhwo- | being in front, prominent |
| 9 | Proto-Indo-European | pro- | toward, forward |
| 10 | Proto-Indo-European | por- | to give birth; forward, through; going, passage |
| 11 | Proto-Indo-European | per- | before, in front; first; to go through |
| 12 | Proto-Indo-European | pr̥tós | passed , crossed |
via English fail
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | fail | To be unsuccessful; Not to achieve a particular... |
| 2 | Middle English | failen | — |
| 3 | Anglo-Norman | faillir | alternative infinitive of falir; to fail, err |
| 4 | Vulgar Latin | fallire | — |
| 5 | Latin | fallō | to deceive, beguile, trick, cheat, delude, ensnare, disappoint |
| 6 | Proto-Indo-European | ǵʰwel- | to bend; to lie, deceive |