Where does “porakaivo” come from?

porakaivo (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;...

porakaivo (Finnish): drilled well, bore well, borehole well

Definitions

  1. drilled well, bore well, borehole well

Ancestry of “porakaivo”, step by step

porakaivo 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 kaivo

StepLanguageWordMeaning
1Finnishkaivowell
2Proto-Finnickaivowell
3Proto-Finnic-oForms action/result nouns from verbs
4Proto-Uralic-w—
Every word from Proto-Indo-European bʰor- →