An additional tale data that a demon named Madan obtained Vak-siddhi, by which no matter what he mentioned came real. He misused it to hassle people and murder people today. A different etymology suggests that valga signifies "to paralyze" and symbolizes the power of stambhana, "paralysis" which the goddess is said to grant; https://www.youtube.com/shorts/5VeSyP9JRw0