With Subha 2.18

2.18.1

Puna caparaṃ, māṇava, bhikkhu sukhassa ca pahānā dukkhassa ca pahānā pubbeva somanassadomanassānaṃ atthaṅgamā adukkhamasukhaṃ upekkhāsatipārisuddhiṃ catutthaṃ jhānaṃ upasampajja viharati.

Furthermore, with the giving up of pleasure and pain and the disappearance of former happiness and sadness, a mendicant enters and remains in the fourth absorption, without pleasure or pain, with pure equanimity and mindfulness.

2.18.2

So imameva kāyaṃ parisuddhena cetasā pariyodātena pharitvā nisinno hoti;

They sit spreading their body through with pure bright mind.

2.18.3

nāssa kiñci sabbāvato kāyassa parisuddhena cetasā pariyodātena apphuṭaṃ hoti.

There’s no part of the body that’s not spread with pure bright mind.

2.18.4

Seyyathāpi, māṇava, puriso odātena vatthena sasīsaṃ pārupitvā nisinno assa, nāssa kiñci sabbāvato kāyassa odātena vatthena apphuṭaṃ assa.

It’s like someone sitting wrapped from head to foot with white cloth. There’s no part of the body that’s not spread over with white cloth.

2.18.5

Evameva kho, māṇava, bhikkhu …pe…

In the same way, a mendicant sits spreading their body through with pure bright mind. There’s no part of their body that’s not spread with pure bright mind.

2.18.6

yampi, māṇava, bhikkhu sukhassa ca pahānā dukkhassa ca pahānā pubbeva somanassadomanassānaṃ atthaṅgamā adukkhamasukhaṃ upekkhāsatipārisuddhiṃ catutthaṃ jhānaṃ upasampajja viharati.

2.18.7

So imameva kāyaṃ parisuddhena cetasā pariyodātena pharitvā nisinno hoti; nāssa kiñci sabbāvato kāyassa parisuddhena cetasā pariyodātena apphuṭaṃ hoti.

2.18.8

Idampissa hoti samādhismiṃ.

This pertains to their immersion.