Where does “kivoin” come from?

kivoin (Ingrian) comes from Ingrian kivi, from Proto-Finnic kivi, from Proto-Uralic kiwe — rock, stone.

Ancestry of “kivoin”, step by step

StepLanguageWordMeaning
1Ingriankivistone
2Proto-Finnickivistone, rock
3Proto-Uralickiwerock, stone
Every word from Proto-Uralic kiwe →Every word from Proto-Finnic kivi →Every word from Ingrian kivi →