sarva-catur-vyuha-amsi, turiya, visuddha
vasudeva—Lord Vasudeva; sankarsana—Lord Sankarsana; pradyumna—Lord Pradyumna; aniruddha—and Lord Aniruddha; sarva-catuh-vyuha—of all other quadruple expansions; amsi—source; turiya—transcendental; visuddha—pure.
Vasudeva, Sankarsana, Pradyumna and Aniruddha are the primary quadruple forms from whom all other quadruple forms are manifested. They are all purely transcendental.
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