Where does “ajaantuminen” come from?

ajaantuminen (Finnish) comes from Finnish ajaantua, from Finnish ajaa, from Proto-Finnic ajadak, from Proto-Uralic aja-, from Proto-Indo-Iranian Háȷ́ati, from Proto-Indo-European h₂éǵeti, from Proto-Indo-European h₂eǵ- — to drive.

Ancestry of “ajaantuminen”, step by step

StepLanguageWordMeaning
1FinnishajaantuaTo drift
2Finnishajaato drive, ride, travel in a vehicle, transport in...
3Proto-Finnicajadakto go in a vehicle, to drive
4Proto-Uralicaja-to drive; to hunt, chase
5Proto-Indo-IranianHáȷ́atito drive, lead
6Proto-Indo-Europeanh₂éǵetito be driving
7Proto-Indo-Europeanh₂eǵ-to drive
Every word from Proto-Indo-European h₂eǵ-