"to snack, to eat between meals," 1957, from Yiddish nashn "nibble," from Middle High German naschen, from Old High German hnascon, nascon "to nibble," from Proto-Germanic *(g)naskon. Related: Noshed; noshing. Earlier as a noun (1917) meaning "a restaurant," short for nosh-house.
nose-bleed
nose-dive
nosegay
nose-ring
nosey
nosh
no-show
no-smoking
noso-
nosocomial
nosology