The exact same chapter also mentions his bravery in the war and what happened to him to the 8th working day of fight: कामिनां बहु मन्तव्यं सङ्कल्पप्रभवोदयम् Another etymology indicates that valga implies "to paralyze" and symbolizes the strength of stambhana, "paralysis" which the goddess is claimed to grant; this https://www.youtube.com/@Mahavidyabaglamukhi