Where does “tehokkuusluku” come from?

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

tehokkuusluku (Finnish): floor area ratio a figure expressing the floor area of a building (or the largest building) on a plot of land relative to the total area of that plot

Definitions

  1. floor area ratio a figure expressing the floor area of a building (or the largest building) on a plot of land relative to the total area of that plot

Ancestry of “tehokkuusluku”, step by step

tehokkuusluku traces back through two separate lines of ancestry.

via Finnish tehokkuus

StepLanguageWordMeaning
1Finnishtehokkuusefficiency; effectivity, effectiveness
2Finnishtehokaspowerful, potent; efficient; effective
3Finnishtehopower, effect; power; throughout
4Finnishtehdäto do, perform, execute; to make, manufacture; to...
5Proto-Finnictektäkto do; to make
6Proto-Uralicteke-to do; to put, to place
7Proto-Indo-Europeandʰeh₁-to do, put, place

via Finnish luku

StepLanguageWordMeaning
1Finnishlukunumber, count, quantity; chapter; reading
2Proto-Finniclukunumber, quantity
3Proto-Finniclukedakto count; to read ?
4Proto-Uralicluke-to count
5Proto-Indo-Europeanleǵ-to gather, collect, with derivatives meaning to...
Every word from Proto-Indo-European dʰeh₁-Every word from Proto-Uralic teke-Every word from Proto-Finnic tektäk