IPA: /kəˈtɑːr/
KK: /kəˈtɑr/
A condition where the mucous membranes, particularly in the nose and throat, become inflamed, often causing a runny nose and congestion.
She was suffering from catarrh, which made it difficult for her to breathe through her nose.
Catarrh is derived from the Greek "katarrhein" (meaning to flow down) and the suffix "-rrh" (meaning flow). The term describes the condition of mucus flowing down from the nasal passages, typically associated with inflammation.
Imagine mucus 'flowing down' ('katarrhein') from your nose, which helps you remember that catarrh refers to this condition.
No commonly confused words.