Where does “kiepsaus” come from?

kiepsaus (Finnish) comes from Finnish kiepsahtaa, from Finnish -ähtää, from Proto-Finnic -ahtadak, from Proto-Uralic -ašta-.

Ancestry of “kiepsaus”, step by step

StepLanguageWordMeaning
1Finnishkiepsahtaato spin, to twirl quickly, once
2Finnish-ähtääFront vowel variant of -ahtaa
3Proto-Finnic-ahtadakForms momentane verbs
4Proto-Uralic-ašta-—
Every word from Proto-Uralic -ašta- →Every word from Finnish -ähtää →Every word from Finnish kiepsahtaa →