Where does “brandvägg” come from?

brandvägg (Swedish) comes from Swedish brand, from Old Swedish brander, from Old Norse brandr, from Proto-Germanic brandaz, from Proto-Germanic brinnaną, from Proto-Indo-European bʰrewh₁-, from Proto-Indo-European bʰer- — to bear, carry.

brandvägg (Swedish): a firewall

Definitions

  1. a firewall

Ancestry of “brandvägg”, step by step

brandvägg traces back through two separate lines of ancestry.

via Swedish brand

StepLanguageWordMeaning
1Swedishbrandaccidental, uncontrollable fire, conflagration
2Old Swedishbranderfire, conflagration; sword
3Old Norsebrandrbrand, firebrand; fire; sword
4Proto-Germanicbrandazfire; flash; flame; burning; flaming; firebrand;...
5Proto-Germanicbrinnanąto burn, to be on fire
6Proto-Indo-Europeanbʰrewh₁-to boil; to brew
7Proto-Indo-Europeanbʰer-to bear, carry

via Swedish vägg

StepLanguageWordMeaning
1Swedishväggwall
2Old Swedishvægwall
3Old NorseVeggrname of a dwarf
4Proto-Germanicwajjuzwall
5Proto-Indo-Europeanwh̥₁yús
6Proto-Indo-Europeanweh₁y-to twist, wind, weave, plait; to wrap, enclose,...
Every word from Proto-Indo-European bʰer-Every word from Proto-Indo-European bʰrewh₁-Every word from Proto-Germanic brinnaną