DictionarycatarrhNose and throat mucus
noun

catarrh

kuh-TAR/kəˈtɑːr/

A buildup of mucus in the nose or throat caused by inflammation.

The patient describes persistent catarrh clogging his nose and throat.

Close-up of a congested man wiping a visibly mucus-filled, runny nose with a tissue; the mucus itself, rather than sneezing alone, is the focal cue.
Etymology

The pieces give the image of a “flowing down.” This describes the discharge associated with a head cold, connecting the name with mucus in the nose or throat.

In context

The People Profiles53:35
What is clear is that he developed a case of catarrh right at the beginning of 1882 that reduced his ability to breathe properly.
Karl Marx - The Most Divisive Philosopher in History Documentary

More examples

  • The examination notes inflammation accompanied by catarrh.
  • Her cold leaves her troubled by catarrh.
  • The old medical guide discusses remedies once used for catarrh.

Similar words

congestion
Blockage that need not specifically refer to accumulated mucus.
mucus
The substance itself rather than its inflammatory accumulation.