Where does “Pihkakoski” come from?

Pihkakoski (Finnish) comes from Finnish pihka, from Proto-Finnic pihka, from Proto-Finno-Ugric piška.

Ancestry of “Pihkakoski”, step by step

Pihkakoski traces back through two separate lines of ancestry.

via Finnish pihka

StepLanguageWordMeaning
1Finnishpihkaresin
2Proto-Finnicpihkaresin
3Proto-Finno-Ugricpiška—

via Finnish Koski

StepLanguageWordMeaning
1FinnishKoskiAny of a number of small places in Finland and Karelia
2Proto-Finnickoskia continuous series of relatively small...
3Proto-Uralickośke—
Every word from Proto-Finno-Ugric piška →Every word from Proto-Finnic pihka →Every word from Finnish pihka →