Where does “зізнання” come from?

зізнання (Ukrainian) comes from Ukrainian зізна́тися, from Ukrainian знати, from Old East Slavic знати, from Proto-Slavic znati, from Proto-Balto-Slavic źnōˀtei, from Proto-Indo-European ǵnéh₃t, from Proto-Indo-European ǵneh₃- — to know.

Ancestry of “зізнання”, step by step

StepLanguageWordMeaning
1Ukrainianзізна́тисяto confess admit as fact or truth
2Ukrainianзнатиto know
3Old East Slavicзнатиto know
4Proto-Slavicznatito know
5Proto-Balto-Slavicźnōˀteito know
6Proto-Indo-Europeanǵnéh₃tto know; to get to know, to meet
7Proto-Indo-Europeanǵneh₃-to know
Every word from Proto-Indo-European ǵneh₃- →Every word from Proto-Indo-European ǵnéh₃t →Every word from Proto-Balto-Slavic źnōˀtei →