Happy with Vishnu, the goddess appeared and brought forth her manifestation Bagalamukhi within the lake. Bagalamukhi calmed the storm, restoring get inside the universe. A different etymology indicates that valga implies "to paralyze" and symbolizes the power of stambhana, "paralysis" the goddess is claimed to grant; this theory seems questionable https://www.youtube.com/@Mahavidyabaglamukhi