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
Ancestry of “thiefproof”, step by step
| 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 | — |
| 7 | Latin | Probus | — |
| 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 |