Where does “kierrostaajuus” come from?

kierrostaajuus (Finnish) comes from Finnish kierros, from Finnish kiertää, from Proto-Finnic keertädäk, from Proto-Finnic keerä, from Proto-Uralic kerä.

kierrostaajuus (Finnish): rotational frequency, frequency of rotation, frequency of revolution

Definitions

  1. rotational frequency, frequency of rotation, frequency of revolution

Ancestry of “kierrostaajuus”, step by step

kierrostaajuus traces back through two separate lines of ancestry.

via Finnish kierros

StepLanguageWordMeaning
1Finnishkierrosround, lap; round; rotation, revolution
2Finnishkiertääto turn, twist, screw, rotate; to roll; to wind,...
3Proto-Finnickeertädäkto turn; to spin thread
4Proto-Finnickeerätwisted
5Proto-Uralickerä—

via Finnish taajuus

StepLanguageWordMeaning
1Finnishtaajuusfrequency
2Finnishtaajathick, dense; frequent
3Proto-Finnictakjadense, thick
Every word from Proto-Uralic kerä →Every word from Proto-Finnic keerä →Every word from Proto-Finnic keertädäk →
kierrostaajuus — Etymology, Origin & Word History | Etymology Explorer