stoup (n.) Look up stoup at Dictionary.com
late 14c., "jug," especially one made of leather, also a measure for liquid, from a Scandinavian source such as Old Norse staup "cup," from Proto-Germanic *staupo- (cognates: Middle Low German stop, Middle Dutch stoop "a cup, vessel," Dutch stoop, Old High German stouf, German Stauf, Old English steap).