Where does “järjenvastainen” come from?

järjenvastainen (Finnish) comes from Finnish vastainen, 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.

järjenvastainen (Finnish): irrational, unreasonable, nonsensical, senseless

Definitions

  1. irrational, unreasonable, nonsensical, senseless

Ancestry of “järjenvastainen”, step by step

järjenvastainen traces back through two separate lines of ancestry.

via Finnish vastainen

StepLanguageWordMeaning
1Finnishvastainenfoul, head-, contrary; anti-, in-, un-; occurring...
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 järki

StepLanguageWordMeaning
1Finnishjärkireason; sense
2Proto-Finnicjärkirow; order, condition
Every word from Proto-Indo-European gʷes-Every word from Finnish vasta-Every word from Proto-Germanic kwastuz
järjenvastainen — Etymology, Origin & Word History | Etymology Explorer