Tena samayena buddho bhagavā sāvatthiyaṁ viharati jetavane anāthapiṇḍikassa ārāme.At one time the Buddha was staying at Sāvatthī in the Jeta Grove, Anāthapiṇḍika’s Monastery. Tena kho pana samayena chabbaggiyā bhikkhū piṇḍapātaṁ bhuñjantā sūpaññeva bahuṁ bhuñjanti …pe….At that time the monks from the group of six were eating almsfood with large amounts of bean curry. …

“Samasūpakaṁ piṇḍapātaṁ bhuñjissāmīti sikkhā karaṇīyā”ti.“‘I will eat almsfood with the right proportion of bean curry,’ this is how you should train.”

Sūpo nāmaBean curry:

dve sūpā—
sūpā → sūpo (bj)there are two kinds of bean curry, to be taken with the hand: muggasūpo, māsasūpo hatthahāriyo.mung-bean curry and black-gram curry.

Samasūpako piṇḍapāto bhuñjitabbo.Almsfood is to be eaten with the right proportion of bean curry. Yo anādariyaṁ paṭicca sūpaññeva bahuṁ bhuñjati, āpatti dukkaṭassa.If a monk, out of disrespect, eats much bean curry, he commits an offense of wrong conduct.

Anāpatti—There is no offense: asañcicca,if it is unintentional; assatiyā,if he is not mindful; ajānantassa,if he does not know; gilānassa,if he is sick; rasarase,if it is any food apart from bean curry; ñātakānaṁ,if it is from relatives; pavāritānaṁ,
pavāritānaṁ → pavāritānaṁ aññassatthāya (sya-all)if it is from those who have given an invitation; attano dhanena,if it is by means of his own property; āpadāsu,if there is an emergency; ummattakassa,if he is insane; ādikammikassāti.if he is the first offender.

Catutthasikkhāpadaṁ niṭṭhitaṁ.The fourth training rule is finished.