Where does “metsähepoin” come from?

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

Ancestry of “metsähepoin”, step by step

metsähepoin traces back through two separate lines of ancestry.

via Finnish metsä

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

via Ingrian hepoin

StepLanguageWordMeaning
1Ingrianhepoinhorse
2Proto-Finnichepoinenhorse
3Proto-Finnic-inen-ish, -ic, -like, -y; -en
Every word from Proto-Baltic medjas →Every word from Proto-Finnic *meccä →Every word from Finnish metsä →