Where does “tyhjiösäiliö” come from?

tyhjiösäiliö (Finnish) comes from Finnish tyhjiö, 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.

tyhjiösäiliö (Finnish): vacuum tank, vacuum container

Definitions

  1. vacuum tank, vacuum container

Ancestry of “tyhjiösäiliö”, step by step

tyhjiösäiliö traces back through two separate lines of ancestry.

via Finnish tyhjiö

StepLanguageWordMeaning
1Finnishtyhjiövacuum, void
2Finnishtyhjäempty; blank; void
3Proto-Finnictühjäempty
4Proto-Balto-Slavictuskjasempty
5Proto-Indo-Europeantews-to be empty; to drain; to be happy
6Proto-Indo-Europeantu-to swell; bird-cry, shriek

via Finnish säiliö

StepLanguageWordMeaning
1Finnishsäiliövessel, container, tank, cistern
2Finnish-iöFront vowel variant of -io
3Spanish-ijoindicating a diminutive or despective quality
4Proto-Bantuì-Class 5 noun prefix
Every word from Proto-Indo-European tu-Every word from Proto-Indo-European tews-Every word from Proto-Balto-Slavic tuskjas