Where does “höyrynvastus” come from?

höyrynvastus (Finnish) comes from Finnish vastus, from Finnish vasta-, from Finnish vasta, from Swedish kvast, from Old Swedish quaster, from Old Norse kvǫstr, from Proto-Germanic kwastuz, from Proto-Indo-European gʷes- — twig; leafwork.

höyrynvastus (Finnish): vapor barrier, steam barrier

Definitions

  1. vapor barrier, steam barrier

Ancestry of “höyrynvastus”, step by step

höyrynvastus traces back through two separate lines of ancestry.

via Finnish vastus

StepLanguageWordMeaning
1Finnishvastusresistor; resistance; drag
2Finnishvasta-Expressing opposition or contrast: counter-,...
3FinnishvastaExpressing delay or that something takes place...
4Swedishkvastbroom; tassel; cyme
5Old Swedishquaster
6Old Norsekvǫstr
7Proto-Germanickwastuztuft; tassel
8Proto-Indo-Europeangʷes-twig; leafwork

via Finnish höyry

StepLanguageWordMeaning
1Finnishhöyrysteam; vapor
2Proto-Finnicheürü
Every word from Proto-Indo-European gʷes-Every word from Finnish vasta-Every word from Proto-Germanic kwastuz
höyrynvastus — Etymology, Origin & Word History | Etymology Explorer