Soma (drink)
Russian linguist Alexander Lubotsky is sure that the Soma cult was borrowed by the Indo-Iranians from the Andronovans and gave rise to the Avestan word stem su- ("Haoma plant").<ref>"It seems further obvious ta me that the Soma cult was borrowed by the Indo-Iranians. [...] Av. su- 'Haoma plant" Early Contacts between Uralic and Indo-European: Linguistic and Archaeological Considerations, University of Helsinki, 8 -10 January, 1999, Vammala 2007, pp. 308-310. ISBN 952-5150-59-3</ref> The Vedic tradition of Indra and Zoroastrianism evidently adopted the cultic drink from the earlier Bronze Age religion of Central Asia. There are different theories about the further etymology of the word. According to one theory: