Where does “äkkinykäys” come from?

äkkinykäys (Finnish) comes from Finnish nykäys, from Finnish nykähtää, from Finnish -ähtää, from Proto-Finnic -ahtadak, from Proto-Uralic -ašta-.

äkkinykäys (Finnish): sudden twitch

Definitions

  1. sudden twitch

Ancestry of “äkkinykäys”, step by step

StepLanguageWordMeaning
1Finnishnykäystug, twitch; jerk, jolt
2Finnishnykähtää—
3Finnish-ähtääFront vowel variant of -ahtaa
4Proto-Finnic-ahtadakForms momentane verbs
5Proto-Uralic-ašta-—
Every word from Proto-Uralic -ašta- →Every word from Finnish -ähtää →Every word from Finnish nykähtää →