Where does “esitumainen” come from?

esitumainen (Finnish) comes 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.

Ancestry of “esitumainen”, step by step

StepLanguageWordMeaning
1Finnishesi-pre-, fore-
2Proto-Finnicecibefore; in front
3Albanian*etës—
4Proto-Albanian*aitatja—
5Proto-Indo-Europeanh₁éytito go, to be going
6Proto-Indo-Europeanh₁ey-to go
Every word from Proto-Indo-European h₁ey- →Every word from Proto-Indo-European h₁éyti →Every word from Finnish esi- →