Where does “kakskolmatta” come from?

kakskolmatta (Ingrian) comes from Ingrian kaks, from Proto-Finnic kakci, from Proto-Uralic *kakta.

Ancestry of “kakskolmatta”, step by step

kakskolmatta traces back through two separate lines of ancestry.

via Ingrian kaks

StepLanguageWordMeaning
1Ingriankakstwo
2Proto-Finnickakcitwo
3Proto-Uralic*kakta

via Ingrian kolmas

StepLanguageWordMeaning
1Ingriankolmasthird
2Proto-Finnickolmancithird
3Proto-Finno-Permickolmamte
Every word from Proto-Uralic *kaktaEvery word from Proto-Finnic kakciEvery word from Ingrian kaks