Where does “tyhjennyskierukka” come from?

tyhjennyskierukka (Finnish) comes from Finnish tyhjennys, from Finnish tyhjentää, from Finnish tyhjä, from Proto-Finnic tühjä, from Proto-Balto-Slavic tuskjas, from Proto-Indo-European tews-, from Proto-Indo-European tu- — to swell; bird-cry, shriek.

Ancestry of “tyhjennyskierukka”, step by step

tyhjennyskierukka traces back through two separate lines of ancestry.

via Finnish tyhjennys

StepLanguageWordMeaning
1Finnishtyhjennysemptying; exhaustion; clearance
2Finnishtyhjentääto empty, exhaust; Third-person singular...
3Finnishtyhjäempty; blank; void
4Proto-Finnictühjäempty
5Proto-Balto-Slavictuskjasempty
6Proto-Indo-Europeantews-to be empty; to drain; to be happy
7Proto-Indo-Europeantu-to swell; bird-cry, shriek

via Finnish kierukka

StepLanguageWordMeaning
1Finnishkierukkacoil; scroll
2Finnishkierätoo twisted
3Proto-Finnickeerätwisted
4Proto-Uralickerä
Every word from Proto-Indo-European tu-Every word from Proto-Indo-European tews-Every word from Proto-Balto-Slavic tuskjas