1.1PTS 3.242Sāvatthinidānaṁ.At Sāvatthī.

1.2Atha kho aññataro bhikkhu yena bhagavā …pe… ekamantaṁ nisinno kho so bhikkhu bhagavantaṁ etadavoca:Then a mendicant went up to the Buddha … and asked him,1.3“ko nu kho, bhante, hetu, ko paccayo, yena m’idhekacce jalābujā nāgā uposathaṁ upavasanti vossaṭṭhakāyā ca bhavantī”ti?“Sir, what is the cause, what is the reason why some womb-born dragons keep the sabbath, having transformed their bodies?”

1.4(Sabbaṁ vitthāretabbaṁ.)(Tell all in full.)

1.5“Ayaṁ kho, bhikkhu, hetu, ayaṁ paccayo, yena m’idhekacce jalābujā nāgā uposathaṁ upavasanti vossaṭṭhakāyā ca bhavantī”ti.

1.6Catutthaṁ.