Where does “груби́ть” come from?
груби́ть (Russian) comes from Russian гру́бый, from Proto-Slavic grǫbъ, from Proto-Slavic grěti, from Proto-Indo-European gʷʰer-, from Proto-Indo-European gʷʰe-gʷʰór-e ~ gʷʰe-gʷʰr-ḗr.
Ancestry of “груби́ть”, step by step
Words derived from “груби́ть”