Where does “Korkiasaari” come from?

Korkiasaari (Ingrian) comes from Ingrian korkia, from Proto-Finnic korkeda — tall, high.

Ancestry of “Korkiasaari”, step by step

Korkiasaari traces back through two separate lines of ancestry.

via Ingrian korkia

StepLanguageWordMeaning
1Ingriankorkiahigh
2Proto-Finnickorkedatall, high

via Ingrian sääri

StepLanguageWordMeaning
1Ingriansäärishank, shin
Every word from Proto-Finnic korkedaEvery word from Ingrian korkia