Gender: Masculine
Origin: Polish
Meaning: fierce anger.”
(yah-RAWG-nyef)
The name is composed of the Old Slavonic elements, jary, “fierce, strong” and gniew “anger.”
Another form is Jerogniew.
A notable bearer was Jarogniew Drwęski (1873-1921) a famous Polish statesman and social activist.
The designated name-day in Poland is December 6.
Sources