Where does “lujuusluokka” come from?

lujuusluokka (Finnish) comes from Finnish luokka, from Finnish luokki, from Proto-Slavic lǫkъ, from Proto-Balto-Slavic *lankás, from Proto-Indo-European lenk- — to bend.

lujuusluokka (Finnish): strength grade, strength class of concrete

Definitions

  1. strength grade, strength class of concrete

Ancestry of “lujuusluokka”, step by step

lujuusluokka traces back through two separate lines of ancestry.

via Finnish luokka

StepLanguageWordMeaning
1Finnishluokkaclass; class, social class; grade
2Finnishluokkishaft bow
3Proto-Slaviclǫkъbow
4Proto-Balto-Slavic*lankásbow
5Proto-Indo-Europeanlenk-to bend

via Finnish lujuus

StepLanguageWordMeaning
1Finnishlujuusstrength, firmness; resolution, fortitude,...
2Finnishlujafirm; sound; loud
3Finnish-ntääFront vowel variant of -ntaa
Every word from Proto-Indo-European lenk- →Every word from Proto-Balto-Slavic *lankás →Every word from Proto-Slavic lǫkъ →