Pleased with Vishnu, the goddess appeared and brought forth her manifestation Bagalamukhi within the lake. Bagalamukhi calmed the storm, restoring get while in the universe. Yet another etymology indicates that valga suggests "to paralyze" and symbolizes the strength of stambhana, "paralysis" which the goddess is alleged to grant; this idea https://socialbuzztoday.com/story5411546/the-best-side-of-beej-mantra