Where does “dyáti” come from?

dyáti (Proto-Indo-Aryan) comes from Proto-Indo-Iranian dyáti, from Proto-Indo-European dh₁-yé-ti, from Proto-Indo-European -yéti, from Proto-Indo-European yé-, from Chichewa iye — he, she.

Ancestry of “dyáti”, step by step

StepLanguageWordMeaning
1Proto-Indo-Iraniandyátito bind
2Proto-Indo-Europeandh₁-yé-ti—
3Proto-Indo-European-yétiCreates intransitive, often deponent,...
4Proto-Indo-Europeanyé-—
5Chichewaiyehe, she
Every word from Chichewa iye →Every word from Proto-Indo-European -yéti →Every word from Proto-Indo-European yé- →