Mentioned in the Aṭṭhasālinī (pp.307‑8), Buddhaghosa’s Commentary on the Dhammasaṅgaṇī.
The quotation given from it is: ‘‘ekaṃ mahābhūtaṃ upādāya pasādo pathavīdhātuyā tīhi mahābhūtehi saṅgahito āpodhātuyā ca tejodhātuyā ca vāyodhātuyā ca.”
The sutta has, so far, not been traced elsewhere.