Where does “letkukiristin” come from?

letkukiristin (Finnish) comes from Finnish kiristin, from Finnish kiristää, from Finnish kireä, from Proto-Finnic kiredä, from Proto-Finno-Permic kirɜ.

Ancestry of “letkukiristin”, step by step

letkukiristin traces back through two separate lines of ancestry.

via Finnish kiristin

StepLanguageWordMeaning
1Finnishkiristintightener; First-person singular indicative past...
2Finnishkiristääto tighten; to extort, blackmail; to gnash, grind
3Finnishkireätight, taut; tense
4Proto-Finnickiredähard, stiff
5Proto-Finno-Permickirɜ—

via Finnish letku

StepLanguageWordMeaning
1FinnishletkuA hosepipe, hose
2Russianплёткаwhip
Every word from Proto-Finno-Permic kirɜ →Every word from Proto-Finnic kiredä →Every word from Finnish kireä →