The Compendium of Bheḷa 2.4.13

2.4.13

ūrdhvaṃ samprāpya dhamanīstataḥ kāsāya kalpate | grathitaṃ śleṣmaṇā kāsaṃ niṣṭhīvati sapūtikam ||

ascends through the vessels and produces cough. / In cough knotty with phlegm, he spits [mucus] with a foul odor;