Where does “patolampi” come from?

patolampi (Finnish) comes from Finnish pato, from Finnish päteä, from Proto-Finnic pätedäk.

Ancestry of “patolampi”, step by step

patolampi traces back through two separate lines of ancestry.

via Finnish pato

StepLanguageWordMeaning
1Finnishpatodam, dike
2Finnishpäteäto apply, be valid
3Proto-Finnicpätedäk—

via Finnish lampi

StepLanguageWordMeaning
1Finnishlampipond
2Proto-Finniclampipond small lake
3Proto-Uraliclëmpe—
Every word from Proto-Finnic pätedäk →Every word from Finnish päteä →Every word from Finnish pato →