Where does “kuuskolmatta” come from?

kuuskolmatta (Ingrian) comes from Ingrian kolmas, from Proto-Finnic kolmanci, from Proto-Finno-Permic kolmamte.

Ancestry of “kuuskolmatta”, step by step

kuuskolmatta traces back through two separate lines of ancestry.

via Ingrian kolmas

StepLanguageWordMeaning
1Ingriankolmasthird
2Proto-Finnickolmancithird
3Proto-Finno-Permickolmamte—

via Ingrian kuus

StepLanguageWordMeaning
1Ingriankuussix
2Proto-Finnickuucisix
3Proto-Uralickutteridge; six
Every word from Proto-Finno-Permic kolmamte →Every word from Proto-Finnic kolmanci →Every word from Ingrian kolmas →
kuuskolmatta — Etymology, Origin & Word History | Etymology Explorer