Where does “Kuusikoski” come from?

Kuusikoski (Finnish) comes from Finnish kuusi, from Proto-Finnic kuuci, from Proto-Uralic kutte — ridge; six.

Ancestry of “Kuusikoski”, step by step

Kuusikoski traces back through two separate lines of ancestry.

via Finnish kuusi

StepLanguageWordMeaning
1Finnishkuusisix; spruce; Norway spruce, "Picea abies"
2Proto-Finnickuucisix
3Proto-Uralickutteridge; six

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-Uralic kutte →Every word from Proto-Finnic kuuci →Every word from Finnish kuusi →
Kuusikoski — Etymology, Origin & Word History | Etymology Explorer