Where does “päällyspuusto” come from?

päällyspuusto (Finnish) comes from Finnish puusto, from Russian пусто́й, from Old East Slavic поустъ, from Proto-Slavic pȗstъ — desolate; empty.

päällyspuusto (Finnish): overwood, overstory

Definitions

  1. overwood, overstory

Ancestry of “päällyspuusto”, step by step

päällyspuusto traces back through two separate lines of ancestry.

via Finnish puusto

StepLanguageWordMeaning
1FinnishpuustoThe trees of an area collectively; the forest...
2Russianпусто́йfutile
3Old East Slavicпоустъ—
4Proto-Slavicpȗstъdesolate; empty

via Finnish päällys

StepLanguageWordMeaning
1Finnishpäällystop, cover, overlay
2Finnishus-ing
Every word from Proto-Slavic pȗstъ →Every word from Old East Slavic поустъ →Every word from Russian пусто́й →