Where does “kiepaus” come from?

kiepaus (Finnish) comes from Finnish kiepahtaa, from Finnish -ähtää, from Proto-Finnic -ahtadak, from Proto-Uralic -ašta-.

Ancestry of “kiepaus”, step by step

StepLanguageWordMeaning
1Finnishkiepahtaato buckle laterally, undergo lateral (torsional) buckling
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 kiepahtaa →