Etymology

From Russian стака́н ‎(stakán), from Turkic, from Persian دوستگان ‎(dustgân), دوستکان ‎(dustkân, “beloved; wine that is drunk with one's beloved; big drinking cup”), from دوستکام ‎(dustkâm, “beloved”), from دوست ‎(dust, dôst) + کام ‎(kâm)..