An Etymological Dictionary of the German Language/Most
Appearance
Most, m., ‘must, new wine,’ from MidHG. and OHG. most, m., ‘fermenting new wine, wine must;’ borrowed, like other words relating to vine-growing (see Wein, Winzer, Lauer, Presse, Torkel, and Kelch); the Lat. origin is mustum, ‘must,’ whence also AS., MidE., and E. must, the equiv. Du. most, and in the Rom. group, Ital. mosto, Fr. mout. Comp. further OSlov. mŭstŭ.