Where does “tasauspyörästö” come from?

tasauspyörästö (Finnish) comes from Finnish tasaus, from Finnish tasata, from Finnish tasa, from Proto-Finnic tasa, from Proto-Uralic taśa — even.

tasauspyörästö (Finnish): differential gear

Definitions

  1. differential gear

Ancestry of “tasauspyörästö”, step by step

tasauspyörästö traces back through two separate lines of ancestry.

via Finnish tasaus

StepLanguageWordMeaning
1Finnishtasausequalisation; leveling; justified
2Finnishtasatato divide into equal parts; to level; to equalize
3Finnishtasaof equal height; of the same level
4Proto-Finnictasaeven
5Proto-Uralictaśaeven

via Finnish pyörästö

StepLanguageWordMeaning
1Finnishpyörästöwheelwork; gearing
2Finnishpyöräwheel; caster; Short for polkupyörä
3Proto-Finno-Ugric*pöörä—
Every word from Proto-Uralic taśa →Every word from Proto-Finnic tasa →Every word from Finnish tasa →