broncho-, bronch-, bronchi-, bronchio-

(Greek: windpipe or one of the two large branches of the trachea, the tube in air-breathing vertebrates that conducts air from the throat to the bronchi, strengthened by incomplete rings of cartilage)

tracheobronchitis
Inflammation of the mucous membrane of the trachea and bronchi.
tracheobronchomegaly
A rare and probably congenital condition characterized by great enlargement of the lumen [the space within an artery, vein, intestine, or tube] of the trachea and the larger bronchi.
tracheobronchoscopy
Inspection of the interior of the trachea and bronchi.