Where does “kiertolintu” come from?

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

Ancestry of “kiertolintu”, step by step

kiertolintu 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 lintu

StepLanguageWordMeaning
1Finnishlintubird; poultry
2Proto-Finniclintubird
3Proto-Uralicluntabird; goose
Every word from Proto-Uralic keräEvery word from Proto-Finnic keeräEvery word from Proto-Finnic keertädäk