Agnipurana 370.9

370.9

gṛhṇāti tatkṣaṇādyoge śarīrañcātivāhikam /
ākāśavāyutejāṃsi vigrahādūrdhvagāminaḥ //

Instantly, through union, it assumes a subtle transit body (ātivāhika); / ether, wind, and fire go upward from the physical form;