Where does “pyökkilehtorousku” come from?

pyökkilehtorousku (Finnish) comes from Finnish pyökki, from Old Swedish bōk, from Old Norse bók, from Proto-Germanic bōks, from Proto-Indo-European bʰeh₂ǵos — beech.

pyökkilehtorousku (Finnish): mild milk-cap, Lactarius subdulcis

Definitions

  1. mild milk-cap, Lactarius subdulcis

Ancestry of “pyökkilehtorousku”, step by step

pyökkilehtorousku traces back through two separate lines of ancestry.

via Finnish pyökki

StepLanguageWordMeaning
1Finnishpyökkibeech
2Old Swedishbōkbook
3Old Norsebókbeech; textile fabric with figures woven in it;...
4Proto-Germanicbōksletter, written message, inscriptions carved into...
5Proto-Indo-Europeanbʰeh₂ǵosbeech

via Finnish lehtorousku

StepLanguageWordMeaning
1FinnishlehtorouskuA milk-cap, "Lactarius bertilloni"
2Finnishlehtobroad deciduous woodland; grove
3FinnishLehtileaf part of a plant
4Proto-Finno-Ugric*lehti
Every word from Proto-Indo-European bʰeh₂ǵosEvery word from Proto-Germanic bōksEvery word from Old Norse bók