Where does “tyvipölkky” come from?

tyvipölkky (Finnish) comes from Finnish tyvi, from Proto-Finnic tüvi, from Proto-Finno-Ugric tüŋe.

Ancestry of “tyvipölkky”, step by step

tyvipölkky traces back through two separate lines of ancestry.

via Finnish tyvi

StepLanguageWordMeaning
1Finnishtyvifoot; crown, collar; beam
2Proto-Finnictüvibase of a tree
3Proto-Finno-Ugrictüŋe—

via Finnish pölkky

StepLanguageWordMeaning
1Finnishpölkkylog, stock, block of wood
Every word from Proto-Finno-Ugric tüŋe →Every word from Proto-Finnic tüvi →Every word from Finnish tyvi →