German, from Graupe, probably from Serbo-Croat krupa; related to Russian krupá peeled grain
graupel in American English
(ˈgraʊpəl)
noun
Meteorology
a kind of precipitation consisting of brittle, white ice particles having a snowlike structure; soft hail
Word origin
Ger < graupeln, to sleet < graupelein, dim. of graupe, hulled barley, granule of ice < Slav, as in Pol, Serb krupa, kernel of grain, hail < IE *kreup-, scab, fragment (> ON hrufa, scale) < base *kreu-, to break > rue1