Where does “ватробран” come from?

ватробран (Serbo-Croatian) comes from Serbo-Croatian бра́нити, from Proto-Slavic borniti, from Proto-Slavic bornь, from Proto-Balto-Slavic barˀnís, from Proto-Balto-Slavic bárˀtei, from Proto-Indo-European bʰerH- — to pierce; to strike; brown.

ватробран (Serbo-Croatian): firewall

Definitions

  1. firewall

Ancestry of “ватробран”, step by step

ватробран traces back through two separate lines of ancestry.

via Serbo-Croatian бра́нити

StepLanguageWordMeaning
1Serbo-Croatianбра́нитиto defend, protect; obstruct, stop
2Proto-Slavicbornitito defend, to protect
3Proto-Slavicbornьresistance, standoff; scuffle, battle
4Proto-Balto-Slavicbarˀnísfight, quarrel
5Proto-Balto-Slavicbárˀteito fight; to quarrel
6Proto-Indo-EuropeanbʰerH-to pierce; to strike; brown

via Serbo-Croatian ватра

StepLanguageWordMeaning
1Serbo-Croatianватраfire
2Romanianvatrăfireplace, hearth, fireside; home, house,...
3Albanianvatërfireplace, fireside, hearth; home, family circle;...
4Proto-Albanianōtarfire
5Proto-Indo-Iranianātṛ-fire
6Proto-Indo-Europeanh₂eh₁ter-fire
Every word from Proto-Indo-European bʰerH-Every word from Proto-Balto-Slavic bárˀteiEvery word from Proto-Balto-Slavic barˀnís