Where does “tehollisarvo” come from?

tehollisarvo (Finnish) comes from Finnish tehollinen, from Finnish teho, from Finnish tehdä, from Proto-Finnic tektäk, from Proto-Uralic teke-, from Proto-Indo-European dʰeh₁- — to do, put, place.

tehollisarvo (Finnish): quadratic mean, root mean square

Definitions

  1. quadratic mean, root mean square

Ancestry of “tehollisarvo”, step by step

tehollisarvo traces back through two separate lines of ancestry.

via Finnish tehollinen

StepLanguageWordMeaning
1Finnishtehollineneffective
2Finnishtehopower, effect; power; throughout
3Finnishtehdäto do, perform, execute; to make, manufacture; to...
4Proto-Finnictektäkto do; to make
5Proto-Uralicteke-to do; to put, to place
6Proto-Indo-Europeandʰeh₁-to do, put, place

via Finnish Arvo

StepLanguageWordMeaning
1FinnishArvovalue, worth quality (positive or negative) that renders something desirable or valuable
2FinnishArvi—
3Old NorseArnviðr—
4Proto-GermanicArôwiduz—
Every word from Proto-Indo-European dʰeh₁- →Every word from Proto-Uralic teke- →Every word from Proto-Finnic tektäk →