Astanga Hrudaya
पित्तमामाशयात्कुर्याच्यवमानं, च्युतं पुनः। अग्निना शोषितं पक्वं पिण्डितं कटु मारुतम्॥५८॥
then gets expelled from the amasaya (stomach) after getting expelled, the food digested by and made dry by the action of fire becomes dense / lump like and katu (pungent) and gives rise to the production of vata
english translation
pittamAmAzayAtkuryAcyavamAnaM, cyutaM punaH। agninA zoSitaM pakvaM piNDitaM kaTu mArutam॥58॥
hk transliteration by Sanscript