Where does “ykkösluokka” come from?

ykkösluokka (Finnish) comes from Finnish ykkönen, from Finnish -nen, from Finnish -inen, from Finnish -uus, from Proto-Finnic -uc — -ness, -hood.

ykkösluokka (Finnish): Priority class in mail delivery; first class;...

Definitions

  1. Priority class in mail delivery; first class;...

Ancestry of “ykkösluokka”, step by step

ykkösluokka traces back through two separate lines of ancestry.

via Finnish ykkönen

StepLanguageWordMeaning
1Finnishykkönenone; unit, the number one; first
2Finnish-nenForms diminutives nouns or terms expressing...
3Finnish-inen-like, -ous, -y; -en; Creates adjectives from...
4Finnish-uusForms nouns from adjectives, expressing a quality
5Proto-Finnic-uc-ness, -hood

via Finnish luokka

StepLanguageWordMeaning
1Finnishluokkaclass; class, social class; grade
2Finnishluokkishaft bow
3Proto-Slaviclǫkъbow
4Proto-Balto-Slavic*lankásbow
5Proto-Indo-Europeanlenk-to bend
Every word from Proto-Finnic -ucEvery word from Finnish -inenEvery word from Finnish -uus