patni-samyaja -- the ritual in which the sponsor of the sacrifice offers oblations together with his wife; avabhrithyaih -- and the final rituals, known as avabhrithya; caritva -- having executed; te -- they; maharishayah -- the great sages; sasnuh -- bathed; rama -- of Lord Parasurama; hrade -- in the lake; viprah -- brahmanas; yajamana -- the sponsor of the sacrifice (Vasudeva); purah-sarah -- placing in front.

After supervising the patni-samyaja and avabhrithya rituals, the great brahmana sages bathed in Lord Parasurama's lake with the sponsor of the sacrifice, Vasudeva, who led them.