Vimshabrahmana 116.5

Viṃśabrāhmaṇa 116.5

pūrvamucaiva tadrepamapareṇa rūpeṇā'nuvadati yatpūrvaṃ rūpamapareṇa rūpeṇo'nuvadati tadanurūpasyānurūpatvamanurūpa enaṃ
putro jāyate ya evaṃ veda