Where does “etumus” come from?

etumus (Finnish) comes from Finnish etu-, from Finnish etu, from Finnish esi-, from Proto-Finnic eci, from Albanian *etës, from Proto-Albanian *aitatja, from Proto-Indo-European h₁éyti, from Proto-Indo-European h₁ey- — to go.

etumus (Finnish): front, breast

Definitions

front, breast

Ancestry of “etumus”, step by step

Step	Language	Word	Meaning
1	Finnish	etu-	front, fore-
2	Finnish	etu	advantage; benefit, interest
3	Finnish	esi-	pre-, fore-
4	Proto-Finnic	eci	before; in front
5	Albanian	*etës	—
6	Proto-Albanian	*aitatja	—
7	Proto-Indo-European	h₁éyti	to go, to be going
8	Proto-Indo-European	h₁ey-	to go

Every word from Proto-Indo-European h₁ey- →Every word from Proto-Indo-European h₁éyti →Every word from Finnish esi- →