Delighted with Vishnu, the goddess appeared and introduced forth her manifestation Bagalamukhi within the lake. Bagalamukhi calmed the storm, restoring order during the universe. A further etymology indicates that valga signifies "to paralyze" and symbolizes the strength of stambhana, "paralysis" the goddess is alleged to grant; this theory looks questionable https://www.youtube.com/@Mahavidyabaglamukhi