Where does “päällysmetsä” come from?

päällysmetsä (Finnish) comes from Finnish metsä, from Proto-Finnic *meccä, from Proto-Baltic medjas.

Ancestry of “päällysmetsä”, step by step

päällysmetsä traces back through two separate lines of ancestry.

via Finnish metsä

StepLanguageWordMeaning
1Finnishmetsäforest, woods; bush; hunting
2Proto-Finnic*meccä
3Proto-Balticmedjas

via Finnish päällys

StepLanguageWordMeaning
1Finnishpäällystop, cover, overlay
2Finnishus-ing
Every word from Proto-Baltic medjas