Exanthem: A rash. The word "exanthem" comes from the Greek "exanthema" which means "a breaking out." "Anthos" in Greek is "a flower," particularly a flower blossom, so a child breaking out with an rash is likened to a flower bursting into bloom. SLIDESHOW Rosacea, Acne, Shingles, Covid-19 Rashes: Common Adult Skin Diseases See Slideshow From Skin Problems and Treatments Resources What You Should Know About PsoriasisIs Your Skin Trouble Blocked Hair Follicles?Is It Dry Skin Or Atopic Dermatitis? Featured Centers Good and Bad Foods for PsoriasisVideo: Getting Personal on Life With MS Health Solutions From Our Sponsors Shot-Free MS Treatment Your Child and COVID-19