Where does “pistosaha” come from?

pistosaha (Finnish) comes from Finnish saha, from Old Swedish sagh, from Old Norse sǫg, from Proto-Germanic sagō, from Proto-Indo-European sek- — to cut, cut off, sever.

pistosaha (Finnish): keyhole saw, drywall saw, pad saw, alligator saw

Definitions

keyhole saw, drywall saw, pad saw, alligator saw

Ancestry of “pistosaha”, step by step

pistosaha traces back through two separate lines of ancestry.

via Finnish saha

Step	Language	Word	Meaning
1	Finnish	saha	saw; sawmill; musical saw
2	Old Swedish	sagh	saw
3	Old Norse	sǫg	saw
4	Proto-Germanic	sagō	saw
5	Proto-Indo-European	sek-	to cut, cut off, sever

via Finnish pisto

Step	Language	Word	Meaning
1	Finnish	pisto	sting, bite; prick, puncture, hole made by...
2	Finnish	pistää	to poke, thrust; to stick, prick, stab, puncture;...
3	Proto-Finnic	pistädäk	to poke, to thrust, to stab, to sting; to put, to...
4	Proto-Finno-Permic	pistä-	—

Every word from Proto-Indo-European sek- →Every word from Proto-Germanic sagō →Every word from Old Norse sǫg →