Where does “tyhjennysruuvi” come from?

tyhjennysruuvi (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.

tyhjennysruuvi (Finnish): unloading auger

Definitions

  1. unloading auger

Ancestry of “tyhjennysruuvi”, step by step

tyhjennysruuvi 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 ruuvi

StepLanguageWordMeaning
1Finnishruuviscrew
2Middle Low Germanschrūvescrew machine
3Proto-Indo-European(s)ḱer-dung, manure, filth; manure, dung, filth
Every word from Proto-Indo-European tu-Every word from Proto-Indo-European tews-Every word from Proto-Balto-Slavic tuskjas