Where does “kasiainen” come from?

kasiainen (Finnish) comes from Finnish käsi, from Finnish kahdeksan, from Proto-Finnic kakteksa, from Proto-Finnic kakci, from Proto-Uralic *kakta.

Ancestry of “kasiainen”, step by step

StepLanguageWordMeaning
1Finnishkäsihand; arm
2Finnishkahdeksaneight
3Proto-Finnickakteksaeight
4Proto-Finnickakcitwo
5Proto-Uralic*kakta—
Every word from Proto-Uralic *kakta →Every word from Proto-Finnic kakci →Every word from Proto-Finnic kakteksa →
kasiainen — Etymology, Origin & Word History | Etymology Explorer