Where does “зьдъчии” come from?

зьдъчии (Old East Slavic) comes from Proto-Slavic žьdati, from Proto-Balto-Slavic g(e)id-, from Proto-Indo-European ǵʰéydʰ- — to yearn for.

Ancestry of “зьдъчии”, step by step

StepLanguageWordMeaning
1Proto-Slavicžьdatito wait, to await
2Proto-Balto-Slavicg(e)id-
3Proto-Indo-Europeanǵʰéydʰ-to yearn for
Every word from Proto-Indo-European ǵʰéydʰ-Every word from Proto-Balto-Slavic g(e)id-Every word from Proto-Slavic žьdati