Where does “Krejci” come from?

Krejci (English) comes from Czech Krejčí, from Old Czech krajčí, from Old Czech krajek, from Old Czech kraj, from Proto-Slavic krajь, from Proto-Slavic krojiti, from Proto-Balto-Slavic krájīˀtei, from Proto-Indo-European kroyh₁-eye-ti — to sift, to separate.

Ancestry of “Krejci”, step by step

StepLanguageWordMeaning
1CzechKrejčítailor
2Old Czechkrajčítailor
3Old Czechkrajeklace
4Old Czechkrajedge, boundary, end
5Proto-Slavickrajьedge, end
6Proto-Slavickrojitito cut
7Proto-Balto-Slavickrájīˀtei
8Proto-Indo-Europeankroyh₁-eye-ti
9Proto-Indo-Europeankroyh₁-
10Proto-Indo-Europeankroh₁y-
11Proto-Indo-Europeankreh₁y-to sift, to separate
Every word from Proto-Indo-European kreh₁y-Every word from Proto-Indo-European kroh₁y-Every word from Proto-Indo-European kroyh₁-