Where does “firewall” come from?
firewall (Portuguese) comes from English firewall, from German Brandmauer, from German brand, from English brand, from Danish brand, from Old Danish brand, from Old Norse brandr, from Proto-Germanic brandaz — to bear, carry.
firewall (Portuguese): firewall
Ancestry of “firewall”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | English | firewall | A fireproof barrier used to prevent the spread of... |
| 2 | German | Brandmauer | firewall |
| 3 | German | brand | — |
| 4 | English | brand | A conflagration; a flame; A piece of burning wood... |
| 5 | Danish | brand | fire; smut; brand |
| 6 | Old Danish | brand | fire |
| 7 | Old Norse | brandr | brand, firebrand; fire; sword |
| 8 | Proto-Germanic | brandaz | fire; flash; flame; burning; flaming; firebrand;... |
| 9 | Proto-Germanic | brinnaną | to burn, to be on fire |
| 10 | Proto-Indo-European | bʰrewh₁- | to boil; to brew |
| 11 | Proto-Indo-European | bʰer- | to bear, carry |