Where does “airproofed” come from?
airproofed (English) comes from English airproof, from English proof, from Middle English proof, from Old French prove, from Latin proba, from Latin probāre, from Latin probō, from Latin Probus — passed , crossed.
airproofed (English): That has been made airtight
Definitions
- That has been made airtight
Ancestry of “airproofed”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | airproof | airtight; To make airtight |
| 2 | English | proof | An effort, process, or operation designed to... |
| 3 | Middle English | proof | — |
| 4 | Old French | prove | — |
| 5 | Latin | proba | test, trial; proof, evidence |
| 6 | Latin | probāre | — |
| 7 | Latin | probō | — |
| 8 | Latin | Probus | — |
| 9 | Proto-Indo-European | pro-bhwo- | being in front, prominent |
| 10 | Proto-Indo-European | pro- | toward, forward |
| 11 | Proto-Indo-European | por- | to give birth; forward, through; going, passage |
| 12 | Proto-Indo-European | per- | before, in front; first; to go through |
| 13 | Proto-Indo-European | pr̥tós | passed , crossed |