головорез (Russian) comes from Russian ре́зать, from Russian -е́ц, from Proto-Slavic -ьcь, from Lithuanian -ikas, from Proto-Indo-European -iḱos — -y, -ic.
головорез (Russian): daredevil; thug, cutthroat
Definitions
daredevil; thug, cutthroat
Ancestry of “головорез”, step by step
головорез traces back through two separate lines of ancestry.