GVY: Text Eight

tam yajnam barhishipraukshan
purusham jatamagrataha
tena deva ayajantaha

sadhya rishayashchayeThe devas, the sadhyas and the rishis performed the sacrifice by using that Purusha as the means of yajna, the Purusha who had been born in the beginning, after sprinkling him with water by the barhis (or sacrificial grass).