Kosak

Etymology 2

 * As a, ,  and  surname, variant of , surname meaning "blackbird," from , and , meaning "scythe." The Sorbian forms are sometimes Germanized as  or in some cases.
 * Also as a Czech surname, from, itself formed from.
 * As a surname, from, probably from . Compare.
 * As a surname, from.

Compare.

Statistics

 * According to the 2010 United States Census, Kosak is the 37391st most common surname in the United States, belonging to 596 individuals. Kosak is most common among White (94.13%) individuals.

Etymology
From, through older and/or . See 🇨🇬 for more.

Noun

 * 1)  Cossack