Where does “Ucrā̆ī̆na” come from?

Ucrā̆ī̆na (Latin) comes from Slavic Оукраина, from Old East Slavic краи, from Proto-Slavic krajь, from Proto-Slavic krojiti, from Proto-Balto-Slavic krájīˀtei, from Proto-Indo-European kroyh₁-eye-ti, from Proto-Indo-European kroyh₁-, from Proto-Indo-European kroh₁y- — to sift, to separate.

Ancestry of “Ucrā̆ī̆na”, step by step

StepLanguageWordMeaning
1SlavicОукраина—
2Old East Slavicкраиedge; land, country
3Proto-Slavickrajьedge, end
4Proto-Slavickrojitito cut
5Proto-Balto-Slavickrájīˀtei—
6Proto-Indo-Europeankroyh₁-eye-ti—
7Proto-Indo-Europeankroyh₁-—
8Proto-Indo-Europeankroh₁y-—
9Proto-Indo-Europeankreh₁y-to sift, to separate

Words derived from “Ucrā̆ī̆na”

Every word from Proto-Indo-European kreh₁y- →Every word from Proto-Indo-European kroh₁y- →Every word from Proto-Indo-European kroyh₁- →