Where does “vihmakaarto” come from?

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

Ancestry of “vihmakaarto”, step by step

vihmakaarto 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 Ingrian vihma

StepLanguageWordMeaning
1Ingrianvihmarain
2Proto-Finnicvihmarain
Every word from Proto-Uralic këŋereEvery word from Proto-Finnic kaariEvery word from Proto-Finnic kaartadak