Where does “kaksikymmentäkahdeksan” come from?
kaksikymmentäkahdeksan (Finnish) comes from Finnish kahdeksan, from Proto-Finnic kakteksa, from Proto-Finnic kakci, from Proto-Uralic *kakta.
kaksikymmentäkahdeksan (Finnish): API; twenty-eight
Ancestry of “kaksikymmentäkahdeksan”, step by step