"relating to a hospital," 1849 (earlier in German and French), from Late Latin nosocomium, from Greek nosokomeion "an infirmary," from nosokomein "to take care of the sick," from nosos "disease, sickness," a word of unknown origin, + komein "take care of, attend to." Nosocome was a 17c. word for "hospital."
nosocomial infection
nosey
nosh
no-show
no-smoking
noso-
nosocomial
nosology
nostalgia
nostalgic
Nostradamus
Nostratic