Where does “tyhjiöputki” come from?

tyhjiöputki (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.

tyhjiöputki (Finnish): vacuum tube type of electron tube

Definitions

  1. vacuum tube type of electron tube

Ancestry of “tyhjiöputki”, step by step

tyhjiöputki 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 putki

StepLanguageWordMeaning
1Finnishputkitube, pipe; duct, conduit; barrel
2Proto-Finnicpuckiplant with a hollow stem, especially various plants of genus Angelica
3Proto-Uralicpučkehollow plant stalk
Every word from Proto-Indo-European tu- →Every word from Proto-Indo-European tews- →Every word from Proto-Balto-Slavic tuskjas →