Where does “rintapora” come from?

rintapora (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;...

rintapora (Finnish): breast drill

Definitions

breast drill

Ancestry of “rintapora”, step by step

rintapora traces back through two separate lines of ancestry.

via Finnish pora

Step	Language	Word	Meaning
1	Finnish	pora	drill
2	Swedish	borr	drill
3	Old Norse	bǫrr	man; a kind of tree
4	Proto-Germanic	barwaz	coniferous forest; pinewood; wood; grove
5	Proto-Indo-European	bʰorwos	—
6	Proto-Indo-European	bʰor-	to hum, buzz; coniferous forest; to protrude;...

via Finnish rinta

Step	Language	Word	Meaning
1	Finnish	rinta	breast; chest, especially the front side of it
2	Finnish	-mä	Front vowel variant of -ma

Every word from Proto-Indo-European bʰor- →Every word from Proto-Indo-European bʰorwos →Every word from Proto-Germanic barwaz →