Where does “jäärappa” come from?

jäärappa (Ingrian) comes from Ingrian jää, from Proto-Finnic jää, from Proto-Uralic jäŋe — ice.

Ancestry of “jäärappa”, step by step

jäärappa traces back through two separate lines of ancestry.

via Ingrian jää

StepLanguageWordMeaning
1Ingrianjääice
2Proto-Finnicjääice
3Proto-Uralicjäŋeice

via Ingrian rappa

StepLanguageWordMeaning
1Ingrianrappapiece of ice
Every word from Proto-Uralic jäŋe →Every word from Proto-Finnic jää →Every word from Ingrian jää →