Where does “mustikkapuu” come from?

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

Ancestry of “mustikkapuu”, step by step

mustikkapuu traces back through two separate lines of ancestry.

via Finnish puu

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

via Finnish mustikka

StepLanguageWordMeaning
1Finnishmustikkabilberry, "Vaccinium myrtillus"; a common shrub...
2Finnishmustablack; black horse; Elative singular form of...
3Finnish-ntääFront vowel variant of -ntaa
Every word from Proto-Uralic puweEvery word from Proto-Finnic puuEvery word from Finnish puu