Where does “neliökeskiarvo” come from?

neliökeskiarvo (Finnish) comes from Finnish keskiarvo, from Finnish Arvo, from Finnish Arvi, from Old Norse Arnviðr, from Proto-Germanic Arôwiduz.

neliökeskiarvo (Finnish): root mean square, quadratic mean

Definitions

  1. root mean square, quadratic mean

Ancestry of “neliökeskiarvo”, step by step

neliökeskiarvo traces back through two separate lines of ancestry.

via Finnish keskiarvo

StepLanguageWordMeaning
1Finnishkeskiarvomean; average, arithmetic mean
2FinnishArvovalue, worth quality (positive or negative) that renders something desirable or valuable
3FinnishArvi
4Old NorseArnviðr
5Proto-GermanicArôwiduz

via Finnish neliö

StepLanguageWordMeaning
1Finnishneliösquare; four-room apartment; Short for neliömetri
2Finnishneljäfour
3Proto-Finnicneljäfour
4Proto-Uralicneljäfour
Every word from Proto-Germanic ArôwiduzEvery word from Old Norse ArnviðrEvery word from Finnish Arvi