Where does “päätöspuu” come from?

päätöspuu (Finnish) comes from Finnish päätös, from Finnish päättää, from Finnish pää, from Proto-Finnic pää, from Proto-Uralic päŋe — head.

päätöspuu (Finnish): decision tree

Definitions

  1. decision tree

Ancestry of “päätöspuu”, step by step

päätöspuu traces back through two separate lines of ancestry.

via Finnish päätös

StepLanguageWordMeaning
1Finnishpäätösdecision; resolution; ending
2Finnishpäättääto end, conclude, terminate, finish, bring to a close
3Finnishpäähead; end, tip
4Proto-Finnicpäähead
5Proto-Uralicpäŋehead

via Finnish puu

StepLanguageWordMeaning
1Finnishpuutree; wood
2Proto-Finnicpuutree
3Proto-Uralicpuwetree, wood
Every word from Proto-Uralic päŋe →Every word from Proto-Finnic pää →Every word from Finnish pää →