Where does “kaksistaan” come from?

kaksistaan (Finnish) comes from Finnish kaksi, from Proto-Finnic kakci, from Proto-Uralic *kakta.

Ancestry of “kaksistaan”, step by step

kaksistaan traces back through two separate lines of ancestry.

via Finnish kaksi

StepLanguageWordMeaning
1Finnishkaksitwo
2Proto-Finnickakcitwo
3Proto-Uralic*kakta—

via Finnish staan

StepLanguageWordMeaning
1Finnishstaan—
Every word from Proto-Uralic *kakta →Every word from Proto-Finnic kakci →Every word from Finnish kaksi →