Where does “saunottaminen” come from?

saunottaminen (Finnish) comes from Finnish saunottaa, from Finnish saunoa, from Finnish sauna, from Proto-Finnic sakna, from Proto-Germanic stakna-.

Ancestry of “saunottaminen”, step by step

StepLanguageWordMeaning
1Finnishsaunottaato make (someone) visit a sauna
2FinnishsaunoaTo bath in a sauna, to have a sauna
3Finnishsaunasauna; Any bath where sweating is part of the...
4Proto-Finnicsaknasauna
5Proto-Germanicstakna-—
Every word from Proto-Germanic stakna- →Every word from Proto-Finnic sakna →Every word from Finnish sauna →