Skanda Purana — Kashi Khanda, Shloka 18
वाग्यतो गुर्वनुज्ञातो भुंजीतान्नमकुत्सयन् । एकान्नं न समश्नीयाच्छ्राद्धेऽश्नीयात्तथापदि
vāgyato gurvanujñāto bhuṃjītānnamakutsayan | ekānnaṃ na samaśnīyācchrāddhe'śnīyāttathāpadi
Mit gezügelter Rede und erst nach Erlaubnis des Lehrers soll man essen, ohne die Speise zu verachten. Man soll keine Mahlzeit aus nur einem Gericht zu sich nehmen; doch beim Śrāddha-Ritus und in Zeiten der Not darf man so essen.
Skanda (deduced: Kāśīkhaṇḍa commonly Skanda → Agastya)
Tirtha: Kāśī
Type: kshetra
Scene: A disciplined pilgrim-resident in Kāśī sits to eat after bowing to his guru/elder; he eats quietly without criticism, while a śrāddha setting in the background indicates permitted exceptions.
FAQs
Self-restraint and reverence—eat with humility, under guidance, without fault-finding.
The broader teaching belongs to Kāśī Khaṇḍa (Vārāṇasī/Kāśī), framing daily dharma for pilgrims and residents.
Śrāddha is named as a context where certain normal food restrictions may be relaxed.