Where does “kierrepora” come from?

kierrepora (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;...

kierrepora (Finnish): spiral drill, twist drill

Definitions

  1. spiral drill, twist drill

Ancestry of “kierrepora”, step by step

kierrepora 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 kierre

StepLanguageWordMeaning
1Finnishkierrethread; worm; helix; whirl, spiral
2Finnishkiertääto turn, twist, screw, rotate; to roll; to wind,...
3Proto-Finnickeertädäkto turn; to spin thread
4Proto-Finnickeerätwisted
5Proto-Uralickerä—
Every word from Proto-Indo-European bʰor- →