Atharvaveda 11.3.38

11.3.38

[4.7]a) tátaś cainam anyáiḥ prāṇāpānáiḥ prā́śīr yáiś caitáṃ pū́rva ŕ̥ṣayaḥ prā́śnan |
[4.7]b) prāṇāpānā́s tvā hāsyantī́ty enam āha |
[4.7]c) táṃ vā́ aháṃ nā́rvā́ñcaṃ ná párāñcaṃ ná pratyáñcam |
[4.7]d) saptar̥ṣíbhiḥ prāṇāpānáiḥ |
[4.7]e) táir enaṃ prā́śiṣaṃ táir enam ajīgamam |
[4.7]f) eṣá vā́ odanáḥ sárvāṅgaḥ sárvaparuḥ sárvatanūḥ |
[4.7]g) sárvāṅga evá sárvaparuḥ sárvatanūḥ sáṃ bhavati yá eváṃ véda ||38|| [7]

If thou hast eaten it with other breaths-and-expirations than those with which the ancient seers ate this, breaths-and-expirations will quit thee: thus one says to him; it verily [have] I not [eaten] coming hither, nor retiring, nor coming on; with the seven seers as breaths-and-expirations, therewith have I etc. etc.