Charak Samhita
उच्छ्वासमार्गंतुकफःसवातोरुन्ध्यात्प्रतीनाहमुदाहरेत्तम्। योमस्तुलुङ्गाद्घनपीतपक्वःकफःस्रवेदेषपरिस्रवस्तु॥११२॥
Pathogenesis of pratinaha (nasal obstruction): Condition where kapha along with vata blocks/obstructs the channel of expiration is called pratinaha. Pathogenesis of parisrava (nasal discharge): The condition where thick, yellow and mature kapha (mucus) discharge comes out from the brain is called as parisrava.
english translation
ucchvAsamArgaMtukaphaHsavAtorundhyAtpratInAhamudAharettam। yomastuluGgAdghanapItapakvaHkaphaHsravedeSaparisravastu॥112॥
hk transliteration by Sanscript