Where does “puustoisuus” come from?

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

puustoisuus (Finnish): woodedness, forestedness

Definitions

  1. woodedness, forestedness

Ancestry of “puustoisuus”, step by step

StepLanguageWordMeaning
1Finnishpuustoinenwooded, forested
2FinnishpuustoThe trees of an area collectively; the forest...
3Russianпусто́йfutile
4Old East Slavicпоустъ
5Proto-Slavicpȗstъdesolate; empty
Every word from Proto-Slavic pȗstъEvery word from Old East Slavic поустъEvery word from Russian пусто́й