Śatapatha Brāhmaṇa ("of a hundred paths") 2.1.1.1

2.1.1.1

sa yadvā itaścetaśca sambharati | tatsambhārāṇāṃ sambhāratvaṃ yatra yatrāgnernyaktaṃ tatastataḥ sambharati tadyaśaseva tvadevainametatsamardhayati paśubhiriva tvanmithuneneva tvatsambharan

Now when he equips (Agni, the fire) from this and that quarter, that is the equipping (of the fire) with its equipments. In whatever (objects) some of (the nature of) Agni is inherent, therewith he equips (the fire); and in thus equipping it he supplies it partly with splendour, partly with cattle, partly with a mate.