Obs. Also 7 cossmos, cosmus. Early form of KOUMISS.
[App. due to some error of transcription.]
1598. Hakluyt, Voy., I. 97. Their drinke called Cosmos, which is mares milke.
1601. R. Johnson, Kingd. & Commw. (1603), 167. As the Arabians, so they [Tartars], delight in sower milke, or Cosmus.
1630. Capt. Smith, Trav. & Adv., xv. 27. In Summer they drinke most Cossmos.