Whilst the Soma-sacrifice has been thus developed by the Brahmanas in an extraordinary degree, its essential identity with the Avestan Haoma-cult shows that its origin goes back at all events to the Indo-Iranian period.
On solemn occasions the inspiring drink soma (haoma) ministered to the enjoyment of the devout.
In the worship the drink prepared from the haoma (Indian soma) plant had a prominent place.
10 Gaokerena is'the mythic white haoma plant (Zendavesta, Vendidad, xx.
It is an idealization of the yellow haoma of the mountains which was used in sacrifices (Yasna, x.