Where does “mutterinväännin” come from?

mutterinväännin (Finnish) comes from Finnish mutteri, from Swedish mutter, from German mutter, from Middle High German muoter, from Old High German muoter, from Old Frisian mōder, from Proto-Germanic mōdēr, from Proto-Indo-European méh₂tēr — mother.

mutterinväännin (Finnish): (cordless) nut driver, impact wrench

Definitions

(cordless) nut driver, impact wrench

Ancestry of “mutterinväännin”, step by step

mutterinväännin traces back through two separate lines of ancestry.

via Finnish mutteri

Step	Language	Word	Meaning
1	Finnish	mutteri	nut; nob, knob
2	Swedish	mutter	a nut; mutter; obscure utterance
3	German	mutter	mother
4	Middle High German	muoter	mother
5	Old High German	muoter	mother
6	Old Frisian	mōder	—
7	Proto-Germanic	mōdēr	mother
8	Proto-Indo-European	méh₂tēr	mother

via Finnish väännin

Step	Language	Word	Meaning
1	Finnish	väännin	knob
2	Finnish	vääntää	To wrench, twist
3	Proto-Finnic	väntädäk	to twist
4	Proto-Germanic	wandijaną	to turn
5	Proto-Indo-European	wendʰ-	to wind, to turn

Every word from Proto-Indo-European méh₂tēr →Every word from Proto-Germanic mōdēr →Every word from Old Frisian mōder →