A different tale information that a demon named Madan obtained Vak-siddhi, by which no matter what he said came correct. He misused it to hassle humans and murder people today. A further etymology indicates that valga usually means "to paralyze" and symbolizes the strength of stambhana, "paralysis" that the goddess is alleged to https://www.youtube.com/shorts/5VeSyP9JRw0