 In Polish, is an archaic possessive form of "Krak" and essentially means "Krak's (town)".Krakus's name may derive from "krakula", a Proto-Slavic word meaning a judge's staff, or from "krak", a Proto-Slavic word meaning an oak, once a sacred tree most often associated with the concept of genealogy.The first recorded mention of Prince Krakus (then written as "Grakch") dates back to 1190, although the town existed as early as the 7th century, when it was inhabited by the tribe of Vistulans.