Yet another tale data that a demon named Madan obtained Vak-siddhi, by which what ever he explained arrived accurate. He misused it to hassle human beings and murder persons. Yet another etymology suggests that valga implies "to paralyze" and symbolizes the strength of stambhana, "paralysis" that the goddess is claimed to grant; this https://www.youtube.com/shorts/5VeSyP9JRw0