The Compendium of Caraka 6.19.3

6.19.3

bhagavantaṃ khalvātreyaṃ kṛtāhnikaṃ hutāgnihotramāsīnamṛṣigaṇaparivṛtamuttare himavataḥ pārśve vinayādupetyābhivādya cāgniveśa uvāca --- bhagavan! atīsārasya prāgutpattinimittalakṣaṇopaśamanāni prajānugrahārthamākhyātumarhasīti//

Indeed, when the venerable Ātreya had performed his daily rituals, offered the agnihotra, and was seated surrounded by a host of sages on the northern side of the Himavat, Agniveśa approached with deference, saluted him, and said: 'O venerable one! You ought to expound the initial origin, causes, symptoms, and pacification of diarrhoea for the welfare of living beings.'