Where does “rupsahtaminen” come from?

rupsahtaminen (Finnish) comes from Finnish rupsahtaa, from Finnish kupsahtaa, from Finnish -ahtaa, from Proto-Finnic -ahtadak, from Proto-Uralic -ašta-.

Ancestry of “rupsahtaminen”, step by step

StepLanguageWordMeaning
1Finnishrupsahtaato lose one's beauty or handsomeness, especially regarding the shape and firmness of body
2Finnishkupsahtaato fall, tumble
3Finnish-ahtaaForms momentane or semelfactive verbs
4Proto-Finnic-ahtadakForms momentane verbs
5Proto-Uralic-ašta-—
Every word from Proto-Uralic -ašta- →Every word from Finnish -ahtaa →Every word from Finnish kupsahtaa →