Where does “boreslam” come from?

boreslam (Norwegian Bokmål) comes from Norwegian Bokmål bore, from Old Norse bora, from Proto-Germanic burōną, from Proto-Indo-European bʰerH- — to pierce; to strike; brown.

boreslam (Norwegian Bokmål): drilling fluid

Definitions

  1. drilling fluid

Ancestry of “boreslam”, step by step

boreslam traces back through two separate lines of ancestry.

via Norwegian Bokmål bore

StepLanguageWordMeaning
1Norwegian Bokmålboreto bore or drill make a hole through something
2Old Norseborato bore; a drilling hole; inflection of borr: ##...
3Proto-Germanicburōnąto drill, pierce; to bore
4Proto-Indo-EuropeanbʰerH-to pierce; to strike; brown

via Norwegian Bokmål slam

StepLanguageWordMeaning
1Norwegian Bokmålslammud, ooze, slime, sludge, slurry
2GermanSchlammmud; sludge, ooze
Every word from Proto-Indo-European bʰerH- →Every word from Proto-Germanic burōną →Every word from Old Norse bora →