Origin: 1545–55; < F verste or G Werst < Russ verstá; ORuss vĭrsta age, agemate, pair, measure of length, c. Czech vrstva, Pol warstwa layer, Serbo-Croatian vŕsta sort, kind, OCS vrĭsta age, time of life < Slavic *vĭrsta lit., turn, bend, akin to *vert- turn (v. base), L vertere to turn (see convert, verse)
1555, Rus. unit of distance measure equal to about two-thirds of a mile, from Fus. versta, related to O.C.S. vrusta "stadium," vruteti (Rus. vertet) "to turn" (see versus).