Брянськ

Etymology
From, from the word , from  now Russian , the first consonant of which in the oikonym had to be lost to simplify the cluster resulting from.

Other formations from the same noun include Russian, the name of  in a neighbouring province, a historical in Volhynia, apparently the current   in the , and various 🇨🇬 settlement and waterbody names ,  undefined,  undefined, whence the family name.