Where does “porasoija” come from?

porasoija (Finnish) comes from Finnish pora, from Swedish borr, from Old Norse bǫrr, from Proto-Germanic barwaz, from Proto-Indo-European bʰorwos, from Proto-Indo-European bʰor- — to hum, buzz; coniferous forest; to protrude;...

porasoija (Finnish): loose rock dust, a waste product of deep borehole drilling

Definitions

  1. loose rock dust, a waste product of deep borehole drilling

Ancestry of “porasoija”, step by step

porasoija traces back through two separate lines of ancestry.

via Finnish pora

StepLanguageWordMeaning
1Finnishporadrill
2Swedishborrdrill
3Old Norsebǫrrman; a kind of tree
4Proto-Germanicbarwazconiferous forest; pinewood; wood; grove
5Proto-Indo-Europeanbʰorwos
6Proto-Indo-Europeanbʰor-to hum, buzz; coniferous forest; to protrude;...

via Finnish soija

StepLanguageWordMeaning
1Finnishsoijasoy/soya; soy sauce; sweat
2Dutchsojasoy
3Japaneseそい醤油 soy sauce
4Japanese醤油soy sauce
5Middle Chinese醬油
6Middle Chinesebean paste
Every word from Proto-Indo-European bʰor-Every word from Proto-Indo-European bʰorwosEvery word from Proto-Germanic barwaz