— catarrhal, catarrhous , adj. — catarrhally , adv.
/keuh tahr"/ , n.
Pathol. inflammation of a mucous membrane, esp. of the respiratory tract, accompanied by excessive secretions.
[ 1350-1400; ME catarrhus katárrous lit., down-flowing, equiv. to katarr ( eîn ) to flow down ( kata- CATA- + rheîn to flow) + -ous, var. of -eos (theme vowel + adj. suffix) ]