Where does “надвла́дати” come from?
надвла́дати (Serbo-Croatian) comes from Serbo-Croatian вла́дати, from Proto-Slavic voldati, from Proto-Balto-Slavic walˀdā́ˀtei, from Proto-Indo-European h₂welh₁dʰh₁-, from Proto-Indo-European h₂welh₁- — to rule; strong, powerful; hair; wool.
Ancestry of “надвла́дати”, step by step
Words derived from “надвла́дати”