Where does “brannsikker” come from?

brannsikker (Norwegian Nynorsk) comes from Norwegian Nynorsk sikker, from Danish sikker, from Middle Low German seker, from Old Saxon sikur, from Proto-West Germanic sikur, from Latin sēcūrus, from Latin sē-, from Latin sex — six.

brannsikker (Norwegian Nynorsk): fireproof, fire-resistant

Definitions

  1. fireproof, fire-resistant

Ancestry of “brannsikker”, step by step

brannsikker traces back through two separate lines of ancestry.

via Norwegian Nynorsk sikker

StepLanguageWordMeaning
1Norwegian Nynorsksikkersafe, secure; sure, certain
2Danishsikkersafe, secure; sure, certain
3Middle Low Germanseker
4Old Saxonsikur
5Proto-West Germanicsikursecure, safe; sure, certain
6Latinsēcūruscareless, negligent
7Latinsē-apart-; aside-; away
8Latinsexsix; 6
9Proto-Italicsekssix
10Proto-Indo-Europeanswéḱssix

via Norwegian Nynorsk brann

StepLanguageWordMeaning
1Norwegian Nynorskbrannfire; inflammation, burning pain, fever
2Old Norsebrandrbrand, firebrand; fire; sword
3Proto-Germanicbrandazfire; flash; flame; burning; flaming; firebrand;...
4Proto-Germanicbrinnanąto burn, to be on fire
5Proto-Indo-Europeanbʰrewh₁-to boil; to brew
6Proto-Indo-Europeanbʰer-to bear, carry
Every word from Proto-Indo-European swéḱsEvery word from Latin sē-Every word from Proto-Italic seks