Where does “kiertoilmakeitin” come from?

kiertoilmakeitin (Finnish) comes from Finnish kiertoilma, from Finnish kierto, from Finnish kiertää, from Proto-Finnic keertädäk, from Proto-Finnic keerä, from Proto-Uralic kerä.

Ancestry of “kiertoilmakeitin”, step by step

kiertoilmakeitin traces back through two separate lines of ancestry.

via Finnish kiertoilma

StepLanguageWordMeaning
1Finnishkiertoilmacirculating air
2Finnishkiertorotation; circulation; Short for sointukierto
3Finnishkiertääto turn, twist, screw, rotate; to roll; to wind,...
4Proto-Finnickeertädäkto turn; to spin thread
5Proto-Finnickeerätwisted
6Proto-Uralickerä—

via Finnish keitin

StepLanguageWordMeaning
1Finnishkeitincooker; short for kahvinkeitin; electric kettle
2FinnishkeittääTo boil; to boil over; To cook; To cook up
3Proto-Uralickeje-—
Every word from Proto-Uralic kerä →Every word from Proto-Finnic keerä →Every word from Proto-Finnic keertädäk →