Where does “Kallasvuo” come from?

Kallasvuo (Finnish) comes from Finnish kallas, from Proto-Finnic kaldas, from Proto-Germanic halþaz, from Proto-Germanic halaną — to slope; be inclined.

Ancestry of “Kallasvuo”, step by step

Kallasvuo traces back through two separate lines of ancestry.

via Finnish kallas

StepLanguageWordMeaning
1Finnishkallasbank
2Proto-Finnickaldasbank (edge of river or lake)
3Proto-Germanichalþazsloping, inclined
4Proto-Germanichalanąto slope; be inclined

via Finnish vuo

StepLanguageWordMeaning
1Finnishvuoflow; flux
2PolishwuThe name of the Latin-script letter W
Every word from Proto-Germanic halaną →Every word from Proto-Germanic halþaz →Every word from Proto-Finnic kaldas →