Shatapatha Brahmana 4.3.1.23

4.3.1.23

yadvevaindrāgnaṃ grahaṃ gṛhṇāti | sarvaṃ vā idam prājījanadya ṛtugrahānagrahītsa idaṃ sarvam prajanayyāsminnevaitatsarvasminprāṇādānau dadhāti tāvimāvasmintsarvasminprāṇodānau hitau

And again, why he draws the Aindrâgna cup. By drawing the libations to the seasons he has generated this All, and having generated this All, he lays the out-breathing and in-breathing into this All: hence these two, the out-breathing anti in-breathing, are laid into (or beneficial, hita, in) this All.