Where does “etulaiton” come from?

etulaiton (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.

etulaiton (Finnish): foul ball, outside the play area (on the first bounce) from the side of the batter, such as the ball hitting too close to the batter or flying in some other direction than where the play area is