Where does “seiväspuu” come from?

seiväspuu (Finnish) comes from Finnish puu, from Proto-Finnic puu, from Proto-Uralic puwe — tree, wood.

Ancestry of “seiväspuu”, step by step

seiväspuu traces back through two separate lines of ancestry.

via Finnish puu

StepLanguageWordMeaning
1Finnishpuutree; wood
2Proto-Finnicpuutree
3Proto-Uralicpuwetree, wood

via Finnish seiväs

StepLanguageWordMeaning
1Finnishseiväspole, stake
2Proto-Finnicsaibaspole, stake
3Proto-Balticstaipas—
Every word from Proto-Uralic puwe →Every word from Proto-Finnic puu →Every word from Finnish puu →