Where does “kiertohaihdutin” come from?

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

Ancestry of “kiertohaihdutin”, step by step

kiertohaihdutin traces back through two separate lines of ancestry.

via Finnish kierto

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

via Finnish haihdutin

StepLanguageWordMeaning
1Finnishhaihdutinevaporator; First-person singular indicative past...
2Finnishhaihduttaato evaporate; to dispel
3Finnish-ttääFront vowel variant of -ttaa
4Proto-Finnic-ttadakCreates causative verbs from regular verbs,...
5Proto-Uralic-kta-
Every word from Proto-Uralic kerä