Where does “petäjistö” come from?

petäjistö (Finnish) comes from Finnish petäjä, from Proto-Finnic petägä, from Proto-Uralic pečä — pine.

Ancestry of “petäjistö”, step by step

StepLanguageWordMeaning
1Finnishpetäjäpine; a large, lone pine tree
2Proto-Finnicpetägäpine
3Proto-Uralicpečäpine
Every word from Proto-Uralic pečä →Every word from Proto-Finnic petägä →Every word from Finnish petäjä →