Where does “selkäsauna” come from?

selkäsauna (Finnish) comes from Finnish sauna, from Proto-Finnic sakna, from Proto-Germanic stakna-.

selkäsauna (Finnish): beating, licking

Definitions

  1. beating, licking

Ancestry of “selkäsauna”, step by step

selkäsauna traces back through two separate lines of ancestry.

via Finnish sauna

StepLanguageWordMeaning
1Finnishsaunasauna; Any bath where sweating is part of the...
2Proto-Finnicsaknasauna
3Proto-Germanicstakna-—

via Finnish selkä

StepLanguageWordMeaning
1Finnishselkäback; ridge, spine; watershed area
2Proto-Finnicselkäback; ridge
3Proto-Finno-Permicśelkä—
Every word from Proto-Germanic stakna- →Every word from Proto-Finnic sakna →Every word from Finnish sauna →