Where does “Seitsekaarto” come from?

Seitsekaarto (Ingrian) comes from Ingrian kaarto, from Finnish kaartaa, from Proto-Finnic kaartadak, from Proto-Finnic kaari, from Proto-Uralic këŋere — curved thing.

Ancestry of “Seitsekaarto”, step by step

Seitsekaarto traces back through two separate lines of ancestry.

via Ingrian kaarto

StepLanguageWordMeaning
1Ingriankaartobundle of yarn
2Finnishkaartaato curve, bend, turn, arch
3Proto-Finnickaartadakto curve, to bend
4Proto-Finnickaaricurve
5Proto-Uralickëŋerecurved thing

via Finnish seitsen

StepLanguageWordMeaning
1Finnishseitsenseven
2Proto-Finnicsäic'enseven
3Proto-Uralic*ćäjćemäseven
Every word from Proto-Uralic këŋere →Every word from Proto-Finnic kaari →Every word from Proto-Finnic kaartadak →