laryngotracheobronchitis

== English == === Etymology === From laryngo- +‎ tracheo- +‎ bronchitis. === Noun === laryngotracheobronchitis (uncountable) (pathology) An inflammation of the larynx, trachea, and bronchi, especially a viral infection (such as croup) characterized by a harsh cough, hoarseness, and difficulty breathing.