Where does “ääriajattelu” come from?

ääriajattelu (Finnish) comes from Finnish ajattelu, from Finnish ajatella, from Finnish ajattaa, from Finnish ajaa, from Proto-Finnic ajadak, from Proto-Uralic aja-, from Proto-Indo-Iranian Háȷ́ati, from Proto-Indo-European h₂éǵeti — to drive.

ääriajattelu (Finnish): extremism, extremist thinking

Definitions

  1. extremism, extremist thinking

Ancestry of “ääriajattelu”, step by step

ääriajattelu traces back through two separate lines of ancestry.

via Finnish ajattelu

StepLanguageWordMeaning
1Finnishajatteluthinking, thought
2Finnishajatellato think (about)
3FinnishajattaaTo have something driven
4Finnishajaato drive, ride, travel in a vehicle, transport in...
5Proto-Finnicajadakto go in a vehicle, to drive
6Proto-Uralicaja-to drive; to hunt, chase
7Proto-Indo-IranianHáȷ́atito drive, lead
8Proto-Indo-Europeanh₂éǵetito be driving
9Proto-Indo-Europeanh₂eǵ-to drive

via Finnish ääri

StepLanguageWordMeaning
1Finnishääriverge; end; vicinity
2Swedishåra year
3Frencharean are
4Latināreaa piece of level ground, a vacant place (esp. in the town)
5Proto-Italicāzeā
6Proto-Indo-Europeanh₂eHs-e-yeh₂
7Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth
Every word from Proto-Indo-European h₂eǵ-Every word from Proto-Indo-European h₂éǵetiEvery word from Proto-Indo-Iranian Háȷ́ati