Where does “koskenlasku” come from?

koskenlasku (Finnish) comes from Finnish lasku, from Votic laskõa, from Proto-Finnic laskedak, from Proto-Uralic laćke-.

koskenlasku (Finnish): guiding a raft, canoe or other such boat while descending through rapids; rafting

Definitions

  1. guiding a raft, canoe or other such boat while descending through rapids; rafting

Ancestry of “koskenlasku”, step by step

koskenlasku traces back through two separate lines of ancestry.

via Finnish lasku

StepLanguageWordMeaning
1Finnishlaskudescent, an instance of descending, sliding down...
2Voticlaskõato let go, let loose, release
3Proto-Finniclaskedakto drop, to fall; to release; to let, to allow
4Proto-Uraliclaćke-—

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 laćke- →Every word from Proto-Finnic laskedak →Every word from Votic laskõa →